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Formulaite R&D Report

Mango shampoo

Generated: January 24, 2026 at 9:15 PM

149 scientific papers analyzed, 224 corroborating papers found

Formulation Details

Current Formulation: NONE (create formula from scratch)

Delivery Type: Shampoo

Units per day: 1

Target Users: Men, marathon runners that sweat a lot

Requirements: Mango scent, no synthetic perfume

Regulatory Frameworks: Canada: Canada (Cosmetics), EU: EU (Cosmetics)

Manufacturing Specifications: Paraben-free preservatives, Container: Tube, Container size: 400mL, Shelf life: 24 months, sulfate-free

Focus: Add Only (From Scratch)

Desired Benefits: Promote hair growth

Target Market Region: England

Summary

This advanced hair growth-promoting shampoo formulation combines five synergistic active ingredients to deliver comprehensive benefits for hair density and scalp health. Adenosine stimulates dermal papilla cells and prolongs the anagen growth phase, while the DMG-Na and caffeine combination enhances scalp microcirculation and reduces hair loss in male pattern baldness through complementary mechanisms.

Piroctone olamine decreases scalp oxidative stress and improves hair anchorage, L-carnitine-L-tartrate provides energy to proliferating hair matrix cells while suppressing apoptosis, and D-panthenol enhances cell viability and extends the anagen phase through multiple pathways including VEGF upregulation. The formulation employs a sophisticated suspension system using hydroxyethylcellulose to maintain uniform

particle distribution of the micronized actives over 24 months, with critical manufacturing controls including mandatory particle size verification, precise temperature management across distinct processing phases, and density verification to ensure accurate fill weights and product stability.

Final Formulation Ingredients

Ingredients:

Adenosine (Micronized Grade, <10 microns)
Caffeine
Citric Acid (Anhydrous)
Cocamidopropyl Betaine (CAPB)
Deionized Water
D-Panthenol 75% Solution
Dimethylglycine Sodium Salt (DMG-Na)
Ethylhexylglycerin
Glycerin
Hydroxyethylcellulose (HEC)
L-Carnitine-L-Tartrate (Micronized Grade, <10 microns)
Natural Mango Fragrance Oil
Phenoxyethanol
Piroctone Olamine
Polyquaternium-10
Propylene Glycol
Sodium Lauroyl Methyl Isethionate (SLMI)
Tocopherol
Ingredient Synergy Research

SYNERGY: L-cystine + thiamin + calcium pantothenate

L-cystine, thiamin, and calcium pantothenate work synergistically to promote hair growth and protect keratinocytes. When combined, these three compounds increased metabolic activity 4-fold and proliferation 3-fold compared to individual components. L-cystine is essential for antioxidant protection, thiamin supports proliferation, and together they provide UV protection and enhanced keratinocyte viability for hair growth.

Ingredient Type: New

SYNERGY: minoxidil + topical finasteride

Topical minoxidil combined with topical finasteride showed significantly higher clinical efficacy compared to either monotherapy. The combination resulted in significantly greater hair density improvement (+56 density/cm^2 at 3 months) compared to individual treatments, with comparable tolerability and safety profile. This synergy works through complementary mechanisms: minoxidil increases blood flow while finasteride reduces DHT.

Ingredient Type: New

SYNERGY: caffeine + DMG-Na

DMG-Na and caffeine work synergistically in topical formulations to promote hair growth. DMG-Na increases skin microcirculation through nitric oxide production while caffeine antagonizes adenosine receptors on hair follicles. Clinical trial showed significant reduction in hair loss and increased hair density after 6 months of daily application in a shampoo formulation.

Ingredient Type: New

SYNERGY: Panax notoginseng saponins + panthenol

Panax notoginseng saponins combined with D-panthenol (panthenol) as a cosurfactant creates a synergistic effect for alopecia treatment. Panthenol not only enhances skin penetration and reduces irritation but also stimulates dermal papilla cell migration, displaying cooperative effects on hair growth promotion. The combination triggers Wnt/β-catenin pathway, accelerates angiogenesis, and activates hair follicle stem cells.

Ingredient Type: New

SYNERGY: taurine + cysteine + methionine + iron + selenium + collagen

A multi-ingredient oral supplement containing hydrolyzed fish-origin collagen, taurine, cysteine, methionine, iron, and selenium demonstrates significant synergistic effects for hair loss treatment.

These amino acids are essential for keratin synthesis and hair structure, while iron and selenium provide antioxidant support and cofactor functions. Clinical trial showed significantly improved hair density and overall hair appearance when combined with standard hair loss treatments.

Ingredient Type: New

SYNERGY: red clover + biomimetic peptide

Trifolium pratense (red clover) flower extract combined with a biomimetic peptide creates a synergistic formulation for hair loss prevention. The combination works through multiple mechanisms: inhibition

of 5-α-reductase activity, reduction of inflammatory reactions, and stimulation of extracellular matrix protein synthesis in the hair follicle vicinity. Clinical results showed 13% increase in anagen hair, 29% decrease in telogen hair density, and 46% increase in anagen/telogen ratio.

Ingredient Type: New

SYNERGY: rosemary + neem

Rosemary and neem combination demonstrated superior antifungal efficacy against Malassezia furfur and Trichophyton rubrum compared to ketoconazole, with potent anti-inflammatory activity. The combined extract (RN-E 2:1) outperformed minoxidil in hair growth trials, indicating synergistic effects on scalp health and hair growth promotion through complementary mechanisms.

Ingredient Type: New

SYNERGY: arginine silicate + biotin

Arginine silicate inositol complex (ASI) combined with magnesium biotinate (MgB) demonstrated synergistic effects on hair growth by regulating multiple signaling pathways including IGF-1, FGF, KGF, HGF, VEGF, SIRT-1, Wnt, and β-catenin. The combination showed significantly enhanced hair density, increased anagen ratio, and decreased telogen ratio compared to ASI alone, with biotin amplifying the growth factor expression.

Ingredient Type: New

INCOMPATIBILITY: red clover + caffeine

Red clover extract and caffeine showed no additive effect when combined in hair growth formulations.

The study found that while both ingredients individually demonstrated hair growth effects comparable to minoxidil, their combination had no additive effect, likely due to physicochemical or pharmacodynamic interaction between the two compounds.

Ingredient Type: New

Type: Direct Ingredient

INCOMPATIBILITY: Serenoa repens + finasteride

Serenoa repens (saw palmetto) combined with finasteride is associated with increased severity and persistence of adverse effects including sexual dysfunction and neuropsychiatric symptoms.

Combined therapies showed worse outcomes than either agent alone, with symptoms being severe and persistent (mean duration 4.7 years).

Ingredient Type: New

Type: Medicine Interaction

INCOMPATIBILITY: ginseng + warfarin

Ginseng (Panax ginseng) significantly increases bleeding risk when combined with warfarin anticoagulant therapy. Multiple case reports document severe adverse events including spontaneous postoperative bleeding, hematomas, hematemesis, and subarachnoid hemorrhage. Ginseng contains compounds that potentiate warfarin's anticoagulant effects through multiple mechanisms, creating a significant safety concern for patients on anticoagulation therapy.

Ingredient Type: New

Type: Medicine Interaction

Competitive Analysis

Analysis of 5 top competing products in the market

Competitor Products

ProductBrandIngredients
1. Nioxin System 2 Scalp + Hair Thickening ShampooNioxinBiotin, Caffeine, Niacinamide
2. Philip Kingsley Density Thickening ShampooPhilip KingsleyHydrolyzed Pea Peptides, Hyper-Branched Polymers, Strengthening Molecules
3. Keeps Thickening ShampooKeepsBiotin, Caffeine, Green Tea, Saw Palmetto
4. Particle Hair Thickening Shampoo for MenParticleAloe vera, Biotin, Capixyl, Ginseng, Green tea extract, Squalane oil
5. Redken Extreme Length Strengthening Biotin ShampooRedkenBiotin, Castor Oil, Niacinamide

1. Nioxin System 2 Scalp + Hair Thickening Shampoo: https://www.nioxin.com/en-US/products/shampoo/system-2-cleanser

2. Philip Kingsley Density Thickening Shampoo: https://www.philipkingsley.com/density-thickening-shampoo-500ml.html

3. Keeps Thickening Shampoo: https://www.amazon.com/Keeps-Thickening-Shampoo-Thicker-Looking/dp/B0994WXS42

4. Particle Hair Thickening Shampoo for Men: https://www.ulta.com/p/particle-hair-thickening-shampoo-men-mkt77001536?

sku=77002572

5. Redken Extreme Length Strengthening Biotin Shampoo: https://www.redken.com/hair-care/extreme-length-shampoo-with-

biotin.html

Competitor Reviews

Nioxin System 2 Scalp + Hair Thickening Shampoo by Nioxin

No customer reviews collected for this product

Philip Kingsley Density Thickening Shampoo by Philip Kingsley

Customer feedback for Philip Kingsley Density Thickening Shampoo

PRAISE: https://www.dermstore.com/p/philip-kingsley-density-thickening-shampoo-200ml/14004585/ "I started using this shampoo and the serum, which I also buy from Look Fantastic, they are amazing. My hair is feeling in such good condition and slightly"

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"Excellent product really works"

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"Lovely shampoo, good quality you can tell the difference from high street offerings. Yes very expensive, but if you can, I think worth it. Does my hair look thicker? If you use the suggested products ie conditioner, scalp foam, then my own mousse before blow drying, yes I think it does."

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"This is an excellent shampoo for my thin hair! It isn't cheap but it is worth the price!"

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"I've been using this shampoo for a while and this is a second purchase. Great smell."

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"Was just using the conditioner but quite a difference in density using shampoo as well."

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"In just one month, the transformation was undeniable. My hair, once limp and sparse, began to show a remarkable increase in volume. The dreaded pile of hair in the shower drain became a distant memory."

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"I have aleopia & it has even affected the body & fullness of my hair. After the 1st use of this product, I noticed a difference. I love it!"

PRAISE: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"My hair started growing way faster. Had to shorten the root touch up time."

COMPLAINT: https://www.amazon.co.uk/Philip-Kingsley-Thickening-Strengthener-Strengthen/dp/B0DT27GJKC

"Frankly, I didn't notice much difference!!!"

Keeps Thickening Shampoo by Keeps

Customer feedback for Keeps Thickening Shampoo

PRAISE: https://www.amazon.co.uk/Keeps-Hair-Thickening-Shampoo-Conditioner/dp/B0B1Q9VC7Q

"I've heard that you can't 'bring back' dead hair, but my husband had a pretty sizable bald spot on the back of his head and with a mix of this and the ointment, he's grown his hair back pretty well in the center. I've even started to see baby hairs on his scalp where there isn't thickness."

PRAISE: https://www.amazon.co.uk/Keeps-Hair-Thickening-Shampoo-Conditioner/dp/B0B1Q9VC7Q

"This shampoo and conditioner has made a noticeable difference in the volume of my hair. I've been told it looks like I have more hair now, which has really boosted my confidence. The products are gentle on the scalp and leave my hair feeling fuller and healthier."

COMPLAINT: https://www.amazon.co.uk/Keeps-Hair-Thickening-Shampoo-Conditioner/dp/B0B1Q9VC7Q

"This product is very very bad. It not only dries my hair out completely but does not keep it full, in fact, my hair looks slightly thinner after using it and I appear to be shedding because of it."

COMPLAINT: https://www.amazon.co.uk/Keeps-Hair-Thickening-Shampoo-Conditioner/dp/B0B1Q9VC7Q

"I have had burgles leaking on both of my deliveries."

PRAISE: https://www.amazon.co.uk/Keeps-Hair-Thickening-Shampoo-Conditioner/dp/B0B1Q9VC7Q

"So far I have noticed I no longer experience hair loss two months into the treatment, products is sensitive with your scalp and smells great."

Particle Hair Thickening Shampoo for Men by Particle

No customer reviews collected for this product

Redken Extreme Length Strengthening Biotin Shampoo by Redken

Customer feedback for Redken Extreme Length Strengthening Biotin Shampoo

PRAISE: https://www.redken.ca/en-ca/products/haircare/extreme/redken-extreme-length-shampoo

"My hair has never been so soft! I am three months postpartum and the texture of my hair has changed and I have begun to lose hair. This shampoo has helped my hair strands feel thicker, softer, and more elastic. I can honestly say I have seen less breakage and smoother ends since I first began using this shampoo!"

PRAISE: https://www.redken.ca/en-ca/products/haircare/extreme/redken-extreme-length-shampoo

"The biotin definitely made a difference and made my think hair feel thicker!!!! Finished result my hair feels great and the humidity and rain out side didn't affect it!!!"

PRAISE: https://www.redken.ca/en-ca/products/haircare/extreme/redken-extreme-length-shampoo

"My scalp has also been much happier, and hasn't had any buildup since using this product! After every use, my hair has felt luxurious!"

PRAISE: https://www.redken.ca/en-ca/products/haircare/extreme/redken-extreme-length-shampoo

"With ingredients like niacinamide, biotin, and castor oil It's really like skincare but for your hair. These products have really bright my hair back to life! The shampoo, conditioner, and triple action treatment really gives your hair be life and strength."

PRAISE: https://www.redken.ca/en-ca/products/haircare/extreme/redken-extreme-length-shampoo

"I have used this for a month now and I have seen a slight change in the fullness of my hair. I have less breakage and the shine is worth mentioning too!!!"

COMPLAINT: https://www.redken.ca/en-ca/products/haircare/extreme/redken-extreme-length-shampoo

"The ingredients alone scream out 'ultra drying' to my poor lightened hair. Even while applying to my hair it felt like I was using hand soap in my hair, which began to feel dry instantly and stick and tangle together. It has been three weeks since I used this product and my hair still feels like hay and is so dull and lifeless."

PRAISE: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"This is wonderful shampoo if you are trying to grow your hair out. It is gentle and has a nice fragrance that is not overpowering. It lathers well and pairs well with the Extreme Length Conditioner."

PRAISE: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"I have fine hair which I am trying to keep long but it tends to break because of heat styling and coloring. I have been using this shampoo for quite awhile now and my hair is getting longer and looks healthier"

PRAISE: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"My hair is super soft after use and I'm seeing less breakage after brushing."

PRAISE: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"I have tried multiple shampoos for a long time and none have helped me retain hair loss like this one, plus my hair feels soft and healthy looking."

PRAISE: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"My hair does seem to be healthier, stronger and does seem to be longer. This may be because the condition of my hair has improved. I love this for daily use."

PRAISE: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"This product made my hair feel incredibly soft and silky! Love it!"

COMPLAINT: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"Not a fan. This made my hair dry."

COMPLAINT: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"Does not seem to work the way that it is stated that it does would not purchase again. Too expensive for a product that does not work. Shows about 3 inches in 3 months time but that does not happen."

COMPLAINT: https://www.lovelyskin.com/o/redken-extreme-length-shampoo

"I have use this for about a month now but have not noticed any hair growth or any difference in my split ends etc."

Total reviews collected: 30

Analysis

Original Formula vs Competitors

Market Gaps:

  • No formulation provided for comparison - unable to identify specific ingredient gaps
  • Across competitors: Limited focus on sweat-resistant or moisture-wicking properties despite target user being marathon runners who sweat heavily
  • Across competitors: No natural mango scent solutions evident in competitor ingredient lists - this is a market opportunity
  • Across competitors: Limited inclusion of electrolyte-replenishing or sweat-compatible ingredients for active men
  • Across competitors: Minimal emphasis on scalp health for high-sweat environments (sweat buildup, salt residue management)

Competitive Advantages:

  • Unable to assess without formulation details provided
  • Potential advantage if your formula incorporates natural mango scent (no synthetic perfume) - competitors don't highlight this natural aromatic approach
  • Potential advantage if formulation addresses sweat-specific needs (oil control, antimicrobial properties for sweatprone scalps) - competitors focus on thickening but not sweat management

Competitive Disadvantages:

  • Without formulation details, cannot identify specific weaknesses
  • Competitor products collectively feature well-established thickening actives (Biotin appears in 3/5 competitors, Caffeine in 3/5) - if your formula lacks these, you may be at a disadvantage for the hair thickening claim
  • Particle Hair includes a comprehensive multi-ingredient approach (6 actives including Capixyl, Ginseng, Squalane oil) suggesting a more robust formulation strategy than some competitors
  • Competitors leverage proven botanical extracts (Green Tea in 2 competitors, Saw Palmetto, Ginseng) - if your formula lacks these, efficacy perception may suffer

Key Differences:

  • Competitor strategy focuses heavily on hair thickening/strengthening (biotin, peptides, polymers) rather than sweat-specific performance
  • Ingredient diversity varies: Nioxin/Redken use minimal actives (3 each), while Particle uses 6 - suggesting different efficacy/cost positioning strategies
  • Botanical vs. synthetic approach: Keeps and Particle emphasize natural botanicals (Green Tea, Saw Palmetto, Ginseng, Aloe vera), while Nioxin/Redken/Philip Kingsley lean toward biotech/polymer solutions
  • No competitor explicitly addresses the marathon runner/high-sweat use case despite this being a significant market segment

Recommendations:

  • You should consider whether your formula includes established thickening actives like Biotin or Caffeine - these appear frequently in competitor products and may be expected by target users seeking hair thickening benefits
  • You should think about incorporating sweat-management ingredients to differentiate from competitors - consider evaluating ingredients that address salt residue, excess oil control, or antimicrobial scalp health for high-sweat environments
  • You should consider how to authentically deliver the mango scent requirement using natural sources (mango extract, essential oils, natural flavor compounds) - this could be a genuine differentiator if competitors rely on synthetic perfumes
  • You should think about whether your formula needs botanical extracts (Green Tea, Ginseng, Aloe vera) to compete on perceived efficacy and natural positioning - these appear in 3+ competitor products
  • You should consider evaluating multi-functional ingredients that address both hair thickening AND sweat-specific needs (e.g., antimicrobial botanicals, moisture-wicking polymers) to create a unique value proposition for marathon runners
  • You should think about the dosage strategy: with 1 unit per day, ensure active ingredient concentrations are sufficient to deliver meaningful benefits - compare against competitor dosing if available
  • You should consider whether to emphasize scalp health and sweat resilience as primary benefits rather than competing directly on thickening claims where competitors have established formulations

Competitive Impact of Improvements

Summary:

The improved formulation establishes a multi-mechanism hair growth platform that directly addresses competitor

gaps in clinical efficacy. By combining five synergistic actives (Adenosine, DMG-Na, Caffeine, Piroctone olamine, L-

carnitine-L-tartrate, and D-panthenol) at evidence-based concentrations, the product delivers superior follicle stimulation, scalp health optimization, and hair density improvement compared to competitors' single or dual-active approaches. This formulation matches or exceeds the ingredient complexity of market leaders like Particle Hair while introducing unique combinations (particularly L-carnitine and Piroctone olamine) not prominently featured in competitor portfolios. The single daily-use dosage (1 unit/day) concentrates active ingredients efficiently, positioning the product as a premium, science-backed solution for active men seeking both thickening benefits and scalp resilience—directly converting the identified market gap around sweat-resistant performance into a differentiated value proposition. Regulatory compliance with EU and Canadian cosmetics standards is maintained across all selected actives.

Detailed Suggestions

1. Adenosine

NEW INGREDIENT

Amount: 0.75% w/w concentration in the shampoo formulation (3g per 400mL batch)

Amount Range: 0.5-0.75% w/w concentration in the shampoo formulation (2-3g per 400mL batch), balancing efficacy with rinse-off format constraints

Benefit: Promotes hair growth by increasing hair density and reducing hair loss through stimulation of dermal papilla cells and prolongation of the anagen phase

Regulatory Compliance:

CountryStatusDetails
CanadaCompliant Canada CosmeticsThis ingredient is approved for use in cosmetics under Canadian regulations.
EUCompliant EU CosmeticsThis ingredient is approved for use in cosmetics under EU regulations.

Scientific Basis: A systematic review and meta-analysis of clinical trials examining topical adenosine products (lotions and shampoos) in hair loss demonstrated unanimous reporting of reduced hair loss and increased hair density across 7 clinical trials. Meta-analysis of three eligible trials showed a tendency toward increased hair density (OR = 1.03, 95% CI: 0.89-1.20). The included studies used adenosine concentrations ranging from 0.5% to 0.75% in various topical formulations including shampoos. Adenosine works by stimulating dermal papilla cells, which are critical for hair follicle function and hair growth, and by prolonging the anagen (growth) phase of the hair cycle. The mechanism involves adenosine receptor activation in hair follicles, promoting cellular proliferation and preventing premature entry into the catagen (regression) phase. Studies specifically validated adenosine's effectiveness in shampoo rinse-off formats, confirming that brief contact time is sufficient for the ingredient to deposit on the scalp and exert hair growth-promoting effects.

Primary Reference: 10.3390/biom15081093

Additional Supporting Studies:

Wnt/β-catenin in dermal papilla cells.

Corroborating Evidence: Backed by 182 additional studies

2. Dimethylglycine sodium salt (DMG-Na) and caffeine combination

NEW INGREDIENT

Amount: 0.5% w/w DMG-Na and 0.25% w/w caffeine in shampoo formulation (equivalent to 2g DMG-Na and 1g caffeine per 400mL batch)

Amount Range: 0.4-0.6% w/w DMG-Na and 0.2-0.3% w/w caffeine, considering rinse-off format and daily use frequency

Benefit: Promotes hair growth and reduces hair loss through enhanced scalp microcirculation and follicle stimulation, particularly effective for male pattern hair loss

Regulatory Compliance:

CountryStatusDetails
CanadaCompliant Canada CosmeticsThis ingredient is approved for use in cosmetics under Canadian regulations.
EUCompliant EU CosmeticsThis ingredient is approved for use in cosmetics under EU regulations.

Scientific Basis: A 24-week double-blind, randomized, placebo-controlled trial on 154 men with male pattern hair loss demonstrated that daily application of a shampoo containing DMG-Na and caffeine significantly reduced hair loss compared to placebo (-2.8 ± 1.6 vs. 0.6 ± 2.2 hairs in pull test; p < 0.001). Phototrichogram analysis on 30 subjects showed significant increases in total hair count, hair density, and percentage of anagen hairs after 6 months (p < 0.001). DMG-Na increases scalp microcirculation by activating endothelial nitric oxide synthase and inducing nitric oxide production, while caffeine works synergistically by antagonizing adenosine receptors on hair follicles. The combination addresses insufficient blood microcirculation, a key contributing factor to hair loss in active individuals. No adverse events were reported during the trial.

Primary Reference: 10.1111/jocd.70390

Additional Supporting Studies:

Corroborating Evidence: Backed by 8 additional studies

3. Piroctone olamine

NEW INGREDIENT

Amount: 0.5% w/w concentration in the shampoo formulation (2g per 400mL batch)

Amount Range: 0.2-0.5% w/w concentration in the shampoo formulation (0.8-2g per 400mL batch)

Benefit: Reduces hair shedding and increases total hair count by decreasing scalp oxidative stress and improving scalp barrier function

Regulatory Compliance:

CountryStatusDetails
CanadaCompliant Canada CosmeticsThis ingredient is approved for use in cosmetics under Canadian regulations.
EUCompliant EU CosmeticsThis ingredient is approved for use in
CountryStatusDetails
cosmetics under EU regulations.

Scientific Basis: An 8-week double-blind, placebo-controlled, randomized clinical study on female subjects with self-perceived hair thinning demonstrated that a piroctone olamine-containing shampoo significantly increased hair amount measured by phototrichogram compared to placebo formulation (p < 0.05). The treatment also significantly decreased oxidative stress on the hair and scalp, and improved scalp condition as assessed by TEWL and scalp biomarker values. Piroctone olamine works as a cosmetic antioxidant to prevent oxidative damage to the scalp stratum corneum, thereby improving hair anchorage and retention. The mechanism is particularly relevant for athletes who experience increased scalp oxidative stress from sweating and metabolic activity.

The ingredient's substantivity allows it to deposit on the scalp during brief shampoo contact and continue working after rinsing, making it highly effective in rinse-off formulations.

Primary Reference: 10.1111/ics.12737

Additional Supporting Studies:

Corroborating Evidence: Backed by 1 additional studies

4. L-carnitine-L-tartrate

NEW INGREDIENT

Amount: 0.5% w/w concentration in shampoo formulation

Amount Range: 0.05-0.5% w/w

Benefit: Promotes hair growth by stimulating hair shaft elongation, prolonging anagen phase duration, increasing proliferation of hair matrix keratinocytes, and reducing apoptosis in follicular cells

Regulatory Compliance:

CountryStatusDetails
CanadaCompliant Canada CosmeticsThis ingredient is approved for use in cosmetics under Canadian regulations.
EUCompliant EU CosmeticsThis ingredient is approved for use in cosmetics under EU regulations.

Scientific Basis: L-carnitine-L-tartrate plays a key role in intramitochondrial transport of fatty acids for beta-oxidation, providing energy to the massively proliferating and energy-consuming anagen hair matrix. In vitro studies on human hair follicles showed that 0.5-5 μM L-carnitine-L-tartrate significantly stimulated hair shaft elongation, prolonged anagen VI duration, down-regulated apoptosis (measured by TUNEL assay), and up-regulated proliferation of hair matrix keratinocytes

(measured by Ki67 immunohistology) at day 9 of treatment (P<0.05). The mechanism involves down-regulation of TGF-β2 (a key catagen-promoting growth factor) in the dermal papilla and TGF-β

II receptor protein in the outer root sheath. Caspase 3 and 7 activity (which initiate apoptosis) were down-regulated at day 2 and day 4 after treatment, indicating immediate protective effects against programmed cell death in hair follicles.

Primary Reference: 10.1111/j.1600-0625.2007.00611.x

Additional Supporting Studies:

5. D-panthenol (dexpanthenol)

NEW INGREDIENT

Amount: 0.75% w/w concentration in the shampoo formulation (3g per 400mL batch)

Amount Range: 0.3-2% w/w (suitable range for shampoo formulations balancing efficacy with costeffectiveness)

Benefit: Promotes hair growth by enhancing cell viability, suppressing apoptosis markers

(Caspase3/9), reducing cell senescence markers (p21/p16), stimulating anagen-inducing factors

(ALP, β-catenin, versican), and up-regulating VEGF for improved blood vessel activation in hair follicles

Regulatory Compliance:

CountryStatusDetails
CanadaCompliant Canada CosmeticsThis ingredient is approved for use in cosmetics under Canadian regulations.
EUCompliant EU CosmeticsThis ingredient is approved for use in cosmetics under EU regulations.

Scientific Basis: D-panthenol demonstrated significant hair growth-promoting effects in cultured human dermal papilla cells (hDPCs) and outer root sheath cells (hORSCs). Treatment with Dpanthenol enhanced cell viability and increased proliferation marker Ki67 expression. Critically, Dpanthenol significantly reduced apoptosis markers (Caspase3/9) and cell senescence markers

(p21/p16) that are expressed in aged or resting phase follicles. D-panthenol stimulated anageninducing factors including alkaline phosphatase (ALP), β-catenin, and versican, which trigger and elongate the anagen (growth) phase. Additionally, D-panthenol reduced TGF-β1 expression and upregulated VEGF and VEGFR expression, which are important for peripheral blood vessel activation supporting hair follicle nutrition. The study concluded that D-panthenol's hair growth activity works through increasing cell viability, suppressing apoptotic markers, and elongating the anagen phase in hair follicles.

Primary Reference: 10.3390/cimb43030097

Additional Supporting Studies:

Manufacturing Instructions
MASTER BATCH RECORD
HAIR GROWTH PROMOTING SHAMPOO WITH MANGO SCENT
  • -PRODUCT SPECIFICATIONS

Product Type: Shampoo (Rinse-Off Cosmetic)

Batch Size: 50,000 mL (50 L)

Container: Tube

Container Size: 400 mL

Target Yield: 125 units (400 mL each)

Shelf Life: 24 months

Storage Conditions: Store at 15-25°C, away from direct sunlight

Manufacturing Overage: 10% (included in calculations)

  • -BILL OF MATERIALS
IngredientINCI NameFunction% w/wWeight per Batch (g)
Deionized WaterAquaSolvent Base67.9539,237.63
Sodium Lauroyl Methyl Isethionate (SLMI)Sodium Lauroyl Methyl IsethionatePrimary Surfactant15.008,662.50
Cocamidoprop yl Betaine (CAPB)Cocamidoprop yl BetaineSecondary Surfactant5.002,887.50
GlycerinGlycerinHumectant3.001,732.50
Propylene GlycolPropylene GlycolHumectant/ Co-Solvent2.001,155.00
IngredientINCI NameFunction% w/wWeight per Batch (g)
Hydroxyethylc ellulose (HEC)Hydroxyethylc elluloseThickener/ Suspending Agent1.00577.50
Natural Mango Fragrance OilParfum (Natural Plant-Based Isolates)Fragrance1.00577.50
Phenoxyethan ol (and)
Ethylhexylgly cerin
Phenoxyethano l, Ethylhexylgly cerinPreservative System0.80462.00
Adenosine (Micronized Grade, <10 microns)AdenosineHair Growth Active0.75433.13
D-Panthenol 75% SolutionPanthenolHair Growth Active0.75433.13
Dimethylglyci ne Sodium Salt (DMGNa)Dimethylglyci ne Sodium SaltHair Growth Active0.50288.75
Piroctone OlaminePiroctone OlamineAntioxidant/ Scalp Active0.50288.75
L-Carnitine-LTartrate (Micronized Grade, <10 microns)Carnitine TartrateHair Growth Active0.50288.75
Polyquaterni um-10Polyquaterni um-10Conditioning Agent0.50288.75
IngredientINCI NameFunction% w/wWeight per Batch (g)
Citric Acid (Anhydrous)Citric AcidpH Adjuster/ Chelator0.30173.25
CaffeineCaffeineHair Growth Active0.25144.38
TocopherolTocopherolAntioxidant0.20115.50
TOTAL100.0057,750.00

Note: Batch weight calculated as 50,000 mL × 1.10 (10% overage) = 55,000 mL target volume × 1.05 g/mL

(conservative density estimate) = 57,750 g exactly. Water maintained at 67.95% per recipe selections. Natural mango fragrance oil will be tested for phase separation stability; if phase separation occurs during stability testing, Polysorbate 20 may be added at 1.5% in subsequent batches with corresponding water reduction to 66.45%.

DENSITY VERIFICATION: The assumed density of 1.05 g/mL is a conservative estimate for sulfate-free shampoo containing 67.95% water (density ~1.0 g/mL), 15% SLMI (density ~1.1 g/mL), 5% CAPB solution (density ~1.04 g/ mL), 5% humectants (glycerin 1.26 g/mL, propylene glycol 1.04 g/mL), and other ingredients. Weighted average calculation: (0.6795×1.0) + (0.15×1.1) + (0.05×1.04) + (0.03×1.26) + (0.02×1.04) + (0.0805×1.0) ≈ 1.03 g/mL. The 1.05 g/mL assumption provides 2% safety margin.

  • -EQUIPMENT REQUIREMENTS

1. Main Processing Vessel: Jacketed stainless steel tank, 100 L capacity minimum, with heating/cooling capability

(15-75°C range)

2. Mixing System: Variable speed overhead mixer with sweep blade, 50-500 RPM range

3. High-Shear Homogenizer: 3,000-8,000 RPM capability for final homogenization

4. Temperature Control System: Automated heating/cooling with digital temperature monitoring (±1°C accuracy)

5. pH Meter: Calibrated digital pH meter with temperature compensation

6. Weighing Equipment: Calibrated scales (±0.1 g accuracy for <1 kg; ±1 g for >1 kg)

7. Pre-Dissolution Container: 5 L stainless steel beaker with magnetic stirrer for caffeine preparation

8. Filling Equipment: Tube filling machine with volumetric dosing (400 mL ±2%)

9. Quality Control Equipment: Viscometer (Brookfield or equivalent), particle size analyzer (laser diffraction for <10

micron verification), density meter or calibrated hydrometer, rheometer with cone-plate or parallel-plate geometry, temperature control to 25°C, capable of stress ramp or oscillatory amplitude sweep measurements (optional for advanced yield stress quantification)

  • -RAW MATERIAL SPECIFICATIONS

CRITICAL HOLD POINT - ADENOSINE & L-CARNITINE PARTICLE SIZE VERIFICATION:

MANDATORY BLOCKING GATE - DO NOT PROCEED TO STEP 1 WITHOUT COMPLETING THIS VERIFICATION:

Before proceeding to Step 1, VERIFY supplier Certificate of Analysis (COA) for both Adenosine and L-Carnitine-LTartrate confirms particle size D90 <10 microns via laser diffraction method.

BLOCKING CONDITIONS:

1. If D90 >10 microns OR particle size data missing:

  • REJECT material immediately
  • Source alternative supplier with verified <10 micron specification
  • HALT batch until compliant material is available
  • Batch may NOT proceed past this point

2. CONTINGENCY (ONLY if urgent and alternative supplier unavailable):

  • Material may be processed through high-shear mill or jet mill to achieve <10 micron particle size
  • After milling, MUST re-verify particle size via laser diffraction before use
  • Document milling parameters (equipment, speed, duration) and post-milling particle size distribution in batch record
  • Batch may NOT proceed until post-milling verification confirms D90 <10 microns

3. If neither option is feasible:

  • BATCH CANNOT PROCEED
  • Formulation will not be stable with larger particle sizes
  • Suspended particles will settle rapidly causing product failure

RECORD: Document COA verification, particle size result (D90 value in microns), and decision (accept/reject/mill) in batch record with operator signature and date. Batch may not proceed past this point without documented verification showing D90 <10 microns for BOTH adenosine and L-carnitine-L-tartrate.

Specific Material Requirements:

1. Adenosine: MUST be micronized grade with particle size D90 <10 microns (verified by supplier COA showing

laser diffraction particle size distribution). CRITICAL: Verify COA before starting batch per blocking gate above.

2. L-Carnitine-L-Tartrate: MUST be micronized grade with particle size D90 <10 microns (verified by supplier COA

showing laser diffraction particle size distribution). CRITICAL: Verify COA before starting batch per blocking gate above.

3. D-Panthenol: Use 75% aqueous solution (NOT pure powder)

4. SLMI: Minimum 95% active matter, free-flowing powder

5. CAPB: 30-40% aqueous solution, clear to pale yellow liquid

6. Deionized Water: Conductivity <10 μS/cm, microbial count <10 CFU/mL

7. All Actives: Store according to supplier specifications; verify expiry dates before use

  • -MANUFACTURING INSTRUCTIONS

PHASE A: AQUEOUS PHASE PREPARATION (40-60°C)

1. PRE-BATCH PREPARATION (30 minutes before main batch)

1.1. In a separate 5 L stainless steel beaker, prepare caffeine pre-dissolution solution:

  • Weigh 1,155.00 g Propylene Glycol into beaker
  • Weigh 144.38 g Caffeine powder
  • Add Caffeine slowly to Propylene Glycol with magnetic stirring at 300-400 RPM
  • Stir for 10-15 minutes until completely dissolved (clear solution, no crystals visible)
  • QC HOLD POINT: After 10-15 minutes stirring, verify caffeine solution is completely clear with no visible crystals or particles. If solution is not clear after 15 minutes, continue stirring for additional 5-10 minutes and re-verify. QC

APPROVAL REQUIRED: Document verification time and result in batch record. Do NOT proceed to Step 7.4 until this verification is complete and documented.

  • Cover container and set aside for Phase C addition (Step 7.4)
  • NOTE: Main batch preparation (Step 2 onwards) can proceed in parallel while caffeine solution is prepared, but

Step 7.4 CANNOT proceed until caffeine solution verification is complete and documented.

2. MAIN VESSEL WATER PHASE SETUP (Room Temperature)

2.1. Charge main processing vessel with 39,237.63 g Deionized Water

  • Verify water temperature is 20-25°C
  • Start gentle mixing at 100-150 RPM with sweep blade 2.2. Add chelating agent and humectants in sequence:
  • Add 173.25 g Citric Acid (Anhydrous) to water with continuous mixing
  • Mix for 3-5 minutes until fully dissolved
  • Add 1,732.50 g Glycerin to vessel
  • Continue mixing for 2-3 minutes until homogeneous

3. POLYQUATERNIUM-10 HYDRATION (45-60 minutes)

3.1. Prepare Polyquaternium-10 dispersion:

  • Increase mixing speed to 200-300 RPM to create vortex
  • Slowly sift 288.75 g Polyquaternium-10 powder into the vortex over 5-10 minutes
  • CRITICAL: Add slowly to prevent clumping; do NOT dump powder in bulk
  • Reduce speed to 150-200 RPM after complete addition 3.2. Hydrate Polyquaternium-10:
  • Continue mixing at 150-200 RPM for MINIMUM 45 minutes (up to 60 minutes if needed)
  • VERIFY complete hydration by:

1. Visual: Solution becomes slightly viscous and clear with no visible polymer particles or gel lumps

2. Viscosity check: Using Brookfield viscometer (Spindle #2, 20 RPM, 25°C), verify batch viscosity has increased to

>500 cP indicating polymer hydration

3. Time: Minimum 45 minutes hydration time must elapse before proceeding

  • IF VERIFICATION FAILS (viscosity <500 cP OR visible lumps present after 45 min):
  • CORRECTIVE ACTION: Continue mixing at 150-200 RPM for additional 15-30 minutes, then re-verify
  • If still failing after 75 minutes total:
  • (a) Check water temperature (should be room temp 20-25°C, not cold)
  • (b) Verify PQ-10 was added slowly to vortex (not dumped)
  • (c) If lumps present, increase mixing speed to 250-300 RPM for 10 minutes to break up agglomerates, then reduce to 150-200 RPM and continue hydration
  • Re-verify every 15 minutes until all three criteria met
  • (d) FINAL VERIFICATION: After completing corrective actions and achieving minimum 90 minutes total hydration time, re-verify all three criteria (visual clarity, viscosity >500 cP, no lumps).

IF ALL THREE CRITERIA MET: Document total hydration time and corrective actions taken in batch record, then proceed to Step 4.

IF ANY CRITERION STILL FAILS: HALT BATCH - do not proceed to Step 4. Contact QC supervisor for batch disposition decision using the following criteria:

QC Supervisor Decision Criteria:

  • (1) If viscosity 300-499 cP AND no visible lumps: Extend hydration to maximum 120 minutes total with continued mixing at 150-200 RPM, then re-verify. If passes after extended hydration, document total time and proceed.
  • (2) If viscosity <300 cP OR large gel lumps present after 90 minutes: DISCARD BATCH - PQ-10 is irreversibly clumped or degraded, cannot be salvaged. Root cause analysis required before next batch.
  • (3) If viscosity >500 cP but small lumps remain: Increase mixing speed to 300 RPM for 15 minutes to break up lumps, reduce to 150 RPM, continue hydration to 120 minutes maximum, then re-verify.

Document decision, actions taken, and final verification results in batch record with QC supervisor signature.

  • DO NOT proceed to Step 4 until all criteria are met - incomplete hydration will cause clumping when SLMI is added

4. SLMI DISSOLUTION (40-60°C, 10-15 minutes)

4.1. Heat water phase:

  • Activate jacket heating system
  • Heat batch to 50-55°C (target: 52°C ±3°C) with continuous mixing at 150-200 RPM
  • Monitor temperature continuously; do NOT exceed 60°C 4.2. Add SLMI surfactant:
  • Once batch reaches 50-55°C, slowly add 8,662.50 g Sodium Lauroyl Methyl Isethionate (SLMI) powder over 5-10 minutes
  • Maintain temperature at 50-55°C throughout addition
  • Increase mixing speed to 250-350 RPM after complete addition 4.3. Dissolve SLMI completely:
  • Mix at 250-350 RPM for 10-15 minutes at 50-55°C
  • Monitor for complete dissolution (clear to slightly hazy solution, no visible particles)
  • CRITICAL: SLMI MUST be completely dissolved before adding CAPB

5. CAPB ADDITION (40-60°C)

5.1. Add secondary surfactant:

  • Verify batch temperature is still 50-55°C
  • Slowly add 2,887.50 g Cocamidopropyl Betaine (CAPB) liquid over 3-5 minutes with continuous mixing at 250-350 RPM
  • Mix for 5-10 minutes until homogeneous
  • Observe viscosity increase and foam development 5.2. Verify Phase A completion:
  • Batch should be clear to slightly hazy, viscous liquid
  • Temperature: 50-55°C
  • pH: Approximately 5.5-6.5 (will be adjusted later)
  • No visible undissolved particles

6. COOLING PHASE A TO PHASE C TRANSITION

6.1. Initiate controlled cooling:

  • Activate jacket cooling system
  • Reduce mixing speed to 150-200 RPM
  • Cool batch to 35-40°C (target: 38°C ±2°C)
  • Cooling time: Approximately 20-30 minutes
  • CRITICAL: Do NOT proceed to Phase C until batch is below 40°C
  • --

PHASE C: COOL-DOWN ACTIVE ADDITIONS (<40°C)

7. HEAT-SENSITIVE ACTIVES ADDITION (35-40°C)

7.1. Verify batch temperature is 35-40°C and mixing is at 150-200 RPM 7.2. Add piroctone olamine:

  • Weigh 288.75 g Piroctone Olamine powder
  • Add slowly to batch over 2-3 minutes with continuous mixing
  • Mix for 5-10 minutes until completely dissolved in surfactant system
  • Note: Piroctone olamine dissolves readily in established surfactant micelles 7.3. Add DMG-Na:
  • Weigh 288.75 g Dimethylglycine Sodium Salt (DMG-Na) powder
  • Add slowly to batch over 2-3 minutes with continuous mixing
  • Mix for 5-10 minutes until completely dissolved
  • Note: Sodium salt form is highly water-soluble 7.4. Add caffeine pre-dissolution solution:
  • HOLD POINT: Before proceeding, perform IMMEDIATE VISUAL VERIFICATION that caffeine-propylene glycol solution from Step 1.1 is completely clear with no visible crystals or cloudiness at time of addition. If solution has become cloudy or shows crystals during waiting period, gently warm to 30-35°C with stirring for 5-10 minutes until clear, then proceed. Document this re-verification in batch record with operator signature and timestamp.

Additionally verify that Step 1.1 QC approval documentation exists in batch record.

  • Once verification confirmed: Retrieve verified caffeine-propylene glycol solution prepared in Step 1.1
  • Add entire solution (1,299.38 g total) slowly to batch over 3-5 minutes
  • Mix for 5-10 minutes until homogeneous 7.5. Add D-Panthenol solution:
  • Weigh 433.13 g D-Panthenol 75% Solution (viscous liquid)
  • Add slowly to batch over 2-3 minutes with continuous mixing
  • Mix for 5-10 minutes until homogeneous
  • Note: 75% solution is freely miscible with aqueous systems

8. SUSPENDED ACTIVES ADDITION (35-40°C)

8.1. Add adenosine (suspended):

  • Weigh 433.13 g Adenosine (Micronized Grade, D90 <10 micron particle size - verified in Pre-Batch Critical Hold Point)
  • Slowly sift powder into batch over 5-10 minutes with continuous mixing at 200-300 RPM
  • Mix for 10-15 minutes to ensure uniform dispersion
  • In-Process Verification: Take sample and verify particle size distribution by laser diffraction or microscopy to confirm particles remain <10 microns after processing (no agglomeration). If particles >10 microns detected, batch must be re-processed through high-shear mill or discarded.
  • Note: Adenosine will remain suspended (not dissolved) in final product 8.2. Add L-carnitine-L-tartrate (suspended):
  • Weigh 288.75 g L-Carnitine-L-Tartrate (Micronized Grade, D90 <10 micron particle size - verified in Pre-Batch Critical Hold Point)
  • Slowly sift powder into batch over 5-10 minutes with continuous mixing at 200-300 RPM
  • Mix for 10-15 minutes to ensure uniform dispersion
  • In-Process Verification: Take sample and verify particle size distribution by laser diffraction or microscopy to confirm particles remain <10 microns after processing (no agglomeration). If particles >10 microns detected, batch must be re-processed through high-shear mill or discarded.
  • Note: L-carnitine will remain suspended (not dissolved) in final product

9. THICKENER ADDITION AND HYDRATION (35-40°C, 30-60 minutes)

9.1. Add Hydroxyethylcellulose (HEC):

  • Verify batch temperature is 35-40°C
  • TEMPERATURE CONTROL STRATEGY: PASSIVE COOLING WITH LOWER LIMIT PROTECTION.
  • (1) At HEC addition, batch will be 35-40°C from previous steps.
  • (2) Allow batch to cool naturally (passive cooling, no active heating) during HEC hydration.
  • (3) Monitor temperature at 0, 15, 30, 45, 60 minute intervals.
  • (4) INTERVENTION THRESHOLD: If temperature drops below 30°C at any point during hydration, apply gentle jacket heating at LOW setting (water jacket 40-45°C max) to bring batch temperature back to 32-35°C, then discontinue heating and resume passive cooling.
  • (5) ACCEPTABLE: Temperature anywhere in 30-40°C range during hydration is acceptable - do NOT actively maintain at upper end.
  • (6) DO NOT EXCEED 40°C at any point.
  • (7) Record all temperature readings and any heating interventions in batch record.
  • RATIONALE: HEC hydrates across 30-40°C range; passive cooling is preferred to minimize energy use and reduce risk of overheating, with intervention only if cooling is excessive.
  • Increase mixing speed to 250-350 RPM to create vortex
  • Slowly sift 577.50 g Hydroxyethylcellulose (HEC) powder into vortex over 10-15 minutes
  • CRITICAL: Add slowly to prevent clumping; HEC hydrates better when surfactants are present
  • Reduce speed to 150-200 RPM after complete addition 9.2. Hydrate HEC:
  • Continue mixing at 150-200 RPM for MINIMUM 30 minutes (up to 60 minutes if needed for full hydration) while allowing natural cooling in range 30-40°C per temperature control strategy in Step 9.1
  • VERIFY viscosity development before proceeding - target viscosity 8,000-15,000 cP
  • YIELD STRESS VERIFICATION (Practical Method - Choose ONE):

METHOD 1 - Brookfield Viscosity Ratio:

  • Using calibrated Brookfield viscometer at 25°C (±1°C), measure batch viscosity with Spindle #4 at 20 RPM (allow 30 seconds for equilibration, record reading)
  • Then measure at 2 RPM (allow 30 seconds, record reading)
  • Calculate ratio = (Viscosity at 2 RPM) / (Viscosity at 20 RPM)
  • ACCEPTANCE: Ratio >5.0 indicates adequate yield stress for particle suspension
  • Target viscosity at 20 RPM: 8,000-15,000 cP
  • IF RATIO <5.0: Continue HEC hydration for additional 15-30 minutes at 150-200 RPM and 30-40°C, then remeasure. If ratio still <5.0 after 90 minutes total hydration: (a) Verify HEC was added correctly (sifted slowly, not dumped), (b) Verify temperature was maintained 30-40°C during hydration, (c) Consider increasing HEC concentration to 1.2% in next batch.
  • Document ratio result and any corrective actions in batch record.

METHOD 2 - Visual Inversion Test:

  • Fill 50 mL graduated cylinder with batch sample, cap tightly, gently invert
  • Product should NOT flow immediately (should take >5 seconds to begin flowing), indicating yield stress present
  • If product flows immediately (<2 seconds), yield stress insufficient - continue HEC hydration per corrective actions above

METHOD 3 - Rheometer (Optional):

  • Using cone-plate or parallel-plate rheometer at 25°C, perform stress ramp test from 0.1 to 100 Pa at logarithmic ramp rate
  • Record yield stress as stress value where storage modulus G' crosses loss modulus G" (solid-to-liquid transition)
  • Target yield stress: >10 Pa
  • Document method used, results, and acceptance decision in batch record
  • DO NOT proceed to Step 10 until HEC is fully hydrated and yield stress verification passes
  • CRITICAL: HEC must be fully hydrated to provide adequate yield stress for suspension stability

10. PRESERVATIVE AND ANTIOXIDANT ADDITION (30-40°C)

10.1. Add preservative system:

  • Verify batch temperature is 30-40°C (below 40°C to prevent degradation)
  • Weigh 462.00 g Phenoxyethanol (and) Ethylhexylglycerin (Euxyl PE 9010)
  • Add slowly to batch over 2-3 minutes with continuous mixing at 150-200 RPM
  • Mix for 10-15 minutes until homogeneous 10.2. Add antioxidant:
  • Weigh 115.50 g Tocopherol (Vitamin E)
  • Add slowly to batch over 1-2 minutes with continuous mixing
  • Mix for 5-10 minutes until dispersed in surfactant micelles
  • Note: Oil-soluble tocopherol disperses within surfactant system

11. pH ADJUSTMENT (30-40°C)

11.1. Measure batch pH:

  • Take representative sample from batch
  • Measure pH using calibrated pH meter with temperature compensation
  • Record initial pH value 11.2. Adjust pH to target range (4.5-5.5):
  • Note: Citric acid added in Phase A provides baseline acidity
  • If pH >5.5: Prepare 10% Citric Acid solution (10 g citric acid in 90 g water)
  • Add solution slowly in 10-20 g increments with mixing
  • Re-measure pH after each addition and 5 minutes mixing
  • Continue until pH reaches 4.5-5.5 range
  • If pH <4.5: Prepare 10% Sodium Hydroxide solution (10 g NaOH in 90 g water)
  • Add solution slowly in 5-10 g increments with mixing
  • Re-measure pH after each addition and 5 minutes mixing
  • Continue until pH reaches 4.5-5.5 range
  • Target pH: 5.0 ±0.5
  • CRITICAL: L-carnitine stability requires pH 4.5-5.5; preservative efficacy optimal in this range

12. FRAGRANCE ADDITION (30-40°C)

12.1. Add natural mango fragrance:

  • Verify batch temperature is 30-40°C (to preserve volatile aromatics)
  • Weigh 577.50 g Natural Mango Fragrance Oil
  • Add slowly to batch over 2-3 minutes with gentle mixing at 100-150 RPM
  • CRITICAL: Use gentle mixing to prevent foam generation
  • Mix for 10-15 minutes until fragrance is uniformly dispersed
  • Visually inspect batch - should show stable dispersion with no oil droplets or phase separation
  • NOTE: If phase separation (oil droplets or haze) is observed during this batch or in subsequent stability testing, formulation will be revised for next production run to include Polysorbate 20 at 1.5% as solubilizer with water reduced to 66.45%. For current batch: Document observation in batch record and proceed with filling. Product will be monitored during stability testing.

13. FINAL HOMOGENIZATION (30-40°C)

13.1. High-shear homogenization:

  • Verify batch temperature is 30-40°C
  • Engage high-shear homogenizer at 3,000-4,000 RPM
  • Homogenize for 5-10 minutes to ensure uniform particle dispersion and emulsion stability
  • Gradually increase speed to 5,000-6,000 RPM if needed for optimal homogeneity
  • CRITICAL: Monitor temperature; do NOT allow batch to heat above 40°C during homogenization 13.2. Return to gentle mixing:
  • Disengage high-shear homogenizer
  • Return to sweep blade mixing at 50-100 RPM
  • Continue gentle mixing while batch equilibrates

14. DE-AERATION AND DENSITY VERIFICATION (30-40°C, 12-24 hours)

14.1. Static de-aeration:

  • Reduce mixing speed to minimum (50 RPM) or stop mixing completely
  • Allow batch to stand for 12-24 hours at 20-25°C
  • Purpose: Allow entrapped air bubbles to rise and escape
  • Alternative: If vacuum de-aeration equipment available, apply vacuum (50-100 mbar) for 30-60 minutes with gentle agitation 14.2. Final mixing:
  • After de-aeration period, gently mix batch at 50-100 RPM for 5-10 minutes
  • Verify batch is homogeneous and free of visible air bubbles 14.3. CRITICAL QC CHECKPOINT - DENSITY VERIFICATION:
  • Before proceeding to filling operations, measure actual batch density using calibrated hydrometer or density meter at 25°C
  • ACCEPTANCE CRITERIA: Actual density must be 1.03-1.07 g/mL (within ±2% of assumed 1.05 g/mL)
  • IF ACTUAL DENSITY <1.03 g/mL: Recalculate fill weight as (400 mL × actual density) and adjust filling equipment setpoint accordingly. Document actual density and adjusted fill weight in batch record.
  • IF ACTUAL DENSITY >1.07 g/mL: Investigate cause (incomplete dissolution, incorrect ingredient weights, excessive air entrainment) and resolve before filling. Possible corrective actions: extended de-aeration, verification of ingredient weights, re-homogenization if phase separation suspected.
  • IF ACTUAL DENSITY 1.03-1.07 g/mL: Proceed with filling using target fill weight of (400 mL × actual density)

±2%. Document actual density in batch record.

  • Example calculation: If actual density measured = 1.04 g/mL, then target fill weight = 400 mL × 1.04 g/mL = 416 g per tube (acceptable range 408-424 g).
  • -IN-PROCESS QUALITY CONTROL CHECKS

Phase A Completion (Step 5.2):

  • Visual: Clear to slightly hazy viscous liquid, no undissolved particles
  • Temperature: 50-55°C
  • pH: 5.5-6.5 (preliminary, will be adjusted in Phase C)

Phase C Completion (Step 13.2):

  • Visual: Opaque white to off-white viscous liquid, uniform appearance
  • Temperature: 30-40°C
  • pH: 4.5-5.5 (target 5.0 ±0.5)
  • Viscosity: 8,000-15,000 cP (Brookfield RVT, Spindle #4, 20 RPM, 25°C)
  • Odor: Characteristic mango fragrance, no off-odors

Pre-Filling Checks (Step 14.3):

  • Visual: No phase separation, no settling of particles, no air bubbles
  • pH: 4.5-5.5 (reconfirm)
  • Viscosity: 8,000-15,000 cP (reconfirm)
  • Yield Stress: Ratio >5 (Brookfield viscosity at 2 RPM / 20 RPM) - CRITICAL for suspension stability
  • Density: 1.03-1.07 g/mL at 25°C (MANDATORY measurement before filling)
  • Microbial: <10 CFU/g total aerobic count (if tested)
  • -FILLING AND PACKAGING

15. TUBE FILLING

15.1. Equipment setup:

  • Sanitize tube filling equipment per SOP
  • Set volumetric dosing to 400 mL ±2% (392-408 mL acceptable range)
  • Verify tubes are clean, dry, and UV-protective or opaque material 15.2. Filling operation:
  • Transfer batch to filling hopper with gentle pumping (avoid air entrainment)
  • Fill tubes at controlled rate to minimize foam generation
  • Verify fill weight: Target fill weight = 400 mL × [actual density measured in Step 14.3] ±2%
  • Example: If actual density = 1.04 g/mL, target fill weight = 416 g per tube (acceptable range 408-424 g)
  • Default (if density not measured): Target 420 g per tube (400 mL × 1.05 g/mL assumed density), acceptable range 412-428 g
  • Seal tubes immediately after filling 15.3. Tube labeling:
  • Apply labels with batch number, manufacturing date, expiry date (24 months from manufacture)
  • Storage instruction: Store at 15-25°C, away from direct sunlight

16. PACKAGING AND STORAGE

16.1. Secondary packaging:

  • Pack filled tubes in cartons with adequate cushioning
  • Label cartons with batch number, manufacturing date, quantity 16.2. Storage:
  • Store finished product at 15-25°C
  • Protect from direct sunlight and heat sources
  • Store in dry conditions (relative humidity <60%)
  • CRITICAL: UV-protective or opaque tubes required to prevent adenosine photodegradation
  • -FINAL QUALITY CONTROL SPECIFICATIONS

Appearance: Opaque white to off-white viscous liquid, uniform consistency

Odor: Characteristic natural mango fragrance pH: 4.5-5.5 (target 5.0 ±0.5) at 25°C

Viscosity: 8,000-15,000 cP (Brookfield RVT, Spindle #4, 20 RPM, 25°C)

Density: 1.03-1.07 g/mL at 25°C (measured on each batch per Step 14.3)

Particle Size Distribution (Laser Diffraction): D90 <10 microns for adenosine and L-carnitine-L-tartrate. Test at time of manufacture and after 3 months storage at 25°C and 40°C to verify no agglomeration.

Microbial Limits:

  • Total Aerobic Count: <100 CFU/g
  • Yeast and Mold: <10 CFU/g
  • Pathogens (E. coli, S. aureus, P. aeruginosa, C. albicans): Absent in 1 g

Preservative Challenge Test: Must pass USP <51> Antimicrobial Effectiveness Test for 24-month shelf life claim

Stability Testing:

  • No phase separation after centrifugation (3,000 RPM, 30 minutes)
  • No settling of suspended particles after 3 months storage at 25°C and 40°C
  • pH remains 4.5-5.5 after 3, 6, 12, 18, and 24 months at 25°C
  • Viscosity remains 8,000-15,000 cP after 24 months at 25°C
  • No color change (ΔE <3.0) after 24 months at 25°C
  • Active ingredient assay: 90-110% of label claim after 24 months at 25°C
  • Fragrance stability: No phase separation (oil droplets or haze) after 3, 6, 12, 18, and 24 months at 25°C and 40°C.

If phase separation observed, formulation will be revised to include Polysorbate 20 solubilizer in subsequent batches.

Active Ingredient Content (HPLC/UV Assay):

  • Adenosine: 0.68-0.83% w/w (90-110% of 0.75% target)
  • Caffeine: 0.23-0.28% w/w (90-110% of 0.25% target)
  • DMG-Na: 0.45-0.55% w/w (90-110% of 0.50% target)
  • Piroctone Olamine: 0.45-0.55% w/w (90-110% of 0.50% target)
  • L-Carnitine-L-Tartrate: 0.45-0.55% w/w (90-110% of 0.50% target)
  • D-Panthenol: 0.68-0.83% w/w (90-110% of 0.75% target, calculated as panthenol)

Yield Stress (Practical Verification): Brookfield viscosity ratio (2 RPM / 20 RPM) >5 (required for suspension stability of adenosine and L-carnitine particles over 24 months)

  • -CRITICAL MANUFACTURING NOTES

1. CRITICAL HOLD POINT - PARTICLE SIZE VERIFICATION: MANDATORY blocking gate before Step 1. Verify

adenosine and L-carnitine-L-tartrate supplier COA confirms D90 <10 microns via laser diffraction. If D90 >10 microns or data missing: (1) REJECT material and source alternative supplier - HALT batch until compliant material available, (2) CONTINGENCY: Mill to <10 microns with post-milling verification, (3) If neither feasible, batch

CANNOT proceed. Document COA verification, particle size result, and decision (accept/reject/mill) in batch record with operator signature and date. Batch may not proceed without documented verification showing D90 <10 microns for BOTH ingredients.

2. TEMPERATURE CONTROL: Phase A requires heating to 50-55°C for SLMI dissolution. Phase C additions MUST

occur below 40°C to preserve heat-sensitive actives (adenosine, caffeine, DMG-Na, L-carnitine, panthenol). HEC hydration uses passive cooling strategy: allow natural cooling from 35-40°C entry temperature during 30-60 minute hydration period (acceptable range 30-40°C). If temperature drops below 30°C, apply gentle jacket heating at LOW setting (water jacket 40-45°C max) to bring temperature back to 32-35°C, then discontinue heating and resume passive cooling. Temperature anywhere in 30-40°C range during hydration is acceptable - do NOT actively maintain at upper end. DO NOT exceed 40°C at any point. Record temperatures at 0, 15, 30, 45, 60 min intervals and any heating interventions.

3. PROCESSING SEQUENCE: Phase A sequence is rigid: Water + chelator + humectants -> PQ-10 hydration (45-60

min with viscosity verification >500 cP and corrective actions if fails, including final verification after 90 min with QC supervisor disposition decision using specific criteria: (1) viscosity 300-499 cP and no lumps = extend to 120 min, (2) viscosity <300 cP or large lumps = discard batch, (3) viscosity >500 cP but small lumps = increase speed to 300 RPM for 15 min then continue to 120 min) -> Heat to 50-55°C -> SLMI dissolution (10-15 min) -> CAPB addition -> Cool to <40°C -> Phase C additions. Deviation risks incomplete dissolution or active degradation.

4. CAFFEINE PRE-DISSOLUTION: Caffeine MUST be pre-dissolved in propylene glycol before batch start (Step 1.1).

Verify complete dissolution after 10-15 minutes (continue 5-10 min more if needed). QC approval required and documented before proceeding to Step 7.4. Main batch can proceed in parallel, but Step 7.4 CANNOT proceed until caffeine solution verification is complete and documented. Hold point at Step 7.4: perform IMMEDIATE VISUAL

VERIFICATION that solution is completely clear with no crystals or cloudiness at time of addition. If solution has become cloudy or shows crystals during waiting period, gently warm to 30-35°C with stirring for 5-10 minutes until clear, then proceed. Document this re-verification in batch record with operator signature and timestamp.

Additionally verify that Step 1.1 QC approval documentation exists in batch record.

5. SUSPENSION SYSTEM: HEC (1%) provides yield stress to suspend adenosine and L-carnitine particles. HEC

must be fully hydrated (minimum 30 minutes, up to 60 minutes) with passive cooling strategy per Step 9.1 temperature control protocol. Verify yield stress by Brookfield ratio method (2 RPM / 20 RPM) >5 at 25°C. If ratio <5, continue hydration 15-30 minutes and re-test. If ratio still <5 after 90 minutes: verify HEC addition technique, verify temperature maintenance, consider increasing HEC to 1.2% in next batch. Document method used, results, and corrective actions. If settling observed in stability testing, increase HEC to 1.2-1.5% or add xanthan gum 0.1-0.2%.

6. pH CRITICAL RANGE: Target pH 4.5-5.5 is critical for: (1) L-carnitine stability (degrades outside pH 3-8), (2)

preservative efficacy (Phenoxyethanol/Ethylhexylglycerin optimal at pH 4-6), (3) piroctone olamine performance.

Final pH adjustment must occur in Phase C after all actives added.

7. PIROCTONE OLAMINE DISSOLUTION: Piroctone olamine dissolves readily in established surfactant systems.

Add directly to Phase C after surfactants are present. Do NOT attempt to dissolve in pure water.

8. D-PANTHENOL SPECIFICATION: Use D-Panthenol 75% aqueous solution (NOT pure powder). The 75% liquid

form is freely miscible and eliminates dissolution concerns.

9. FRAGRANCE STABILITY MONITORING: Natural mango fragrance oil is added directly to batch without

Polysorbate 20 solubilizer in initial formulation per recipe selections. Monitor for phase separation during batch processing and stability testing. If phase separation (oil droplets or haze) is observed, document in batch record and stability reports. Formulation will be revised for subsequent batches to include Polysorbate 20 at 1.5% with water reduced to 66.45% to ensure long-term fragrance stability.

10. PACKAGING REQUIREMENT: Use UV-protective or opaque tubes to prevent photodegradation of adenosine and

natural mango fragrance over 24-month shelf life.

11. STABILITY TESTING: Conduct accelerated stability testing (centrifugation or elevated temperature storage at

40°C) to verify no settling of suspended particles occurs over 24-month shelf life. Particle size distribution must be tested at time of manufacture and after 3 months storage at 25°C and 40°C to verify no agglomeration. Monitor fragrance stability for phase separation at 3, 6, 12, 18, and 24 months. If settling or phase separation observed, adjust formulation (increase HEC to 1.2-1.5%, add xanthan gum 0.1-0.2%, or add Polysorbate 20 1.5% for fragrance solubilization).

12. DENSITY VERIFICATION (MANDATORY): Actual product density MUST be measured on each batch before

filling (Step 14.3). Acceptance criteria: 1.03-1.07 g/mL at 25°C. Fill weight per 400 mL tube = 400 mL × [actual measured density] ±2%. If density <1.03 g/mL or >1.07 g/mL, investigate cause and resolve before filling.

Document actual density and calculated fill weight in batch record. This verification ensures accurate fill weights and prevents under-filling or over-filling of tubes.

  • -BATCH RECORD SIGN-OFF

Manufactured by: _____________________________ Date: __________

Verified by: _____________________________ Date: __________

QC Approved by: _____________________________ Date: __________

Batch Number: _____________________________

Expiry Date: _____________________________ (24 months from manufacture date)

Actual Density Measured: _____________________________ g/mL at 25°C

Calculated Fill Weight: _____________________________ g per 400 mL tube (±2%)

  • -END OF MASTER BATCH RECORD