Volumizing Shampoo
The Fatboy Volumizing Shampoo is a emulsion. Our analysis of its 41 ingredients (34 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Fatboy Volumizing Shampoo is a emulsion. Our analysis of its 41 ingredients (34 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Water
(Solvent) |
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Cetyl Alcohol
(Emulsion Stabilising, Fragrance, Opacifying, Emulsifying, Surfactant, Foam Boosting, Viscosity Increasing Agent, Emollient, Masking, Viscosity Controlling) |
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Stearyl Alcohol
(Emulsion Stabilising, Fragrance, Emulsifying, Surfactant, Foambooster, Viscosity Increasing Agent, Emollient, Foam Boosting, Masking, Opacifying, Refatting, Viscosity Controlling) |
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Stearamidopropyl Dimethylamine
(Antistatic Agent, Emulsifying, Hair Conditioning, Surfactant) |
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Neopentyl Glycol Diheptanoate
(Skin Conditioning, Emollient, Viscosity Increasing Agent) |
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Isododecane
(Fragrance, Solvent, Emollient, Perfuming) |
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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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PARFUM
(Fragrance, Perfuming) |
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Steareth-20
(Sufactant, Emulsifying, Surfactant) |
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Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent) |
Bad for Sensitive Skin
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Trisodium Ethylenediamine Disuccinate
(Chelating Agent) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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Hydrolyzed Vegetable Protein
(Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Benzyl Alcohol
(External Analgesic, Fragrance, Oral Health Care Drug, Preservative, Solvent, Viscosity Decreasing Agent, Masking) |
Allergens
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Potassium Sorbate
(Fragrance, Preservative) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Hydrolyzed Adansonia Digitata Extract
(Skin Conditioning, Emollient) |
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Helianthus Annuus Seed Extract
(Skin Conditioning) |
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Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent) |
Good for Dry Skin
Fungal Acne Trigger
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Hydrolyzed Wheat Protein
(Film Forming, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Creatine
(Skin Conditioning) |
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Oenocarpus Bataua Fruit Oil
(Skin Conditioning Agent Occlusive, Emollient, Moisturising) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Caffeine
(Fragrance, Skin Conditioning, Masking) |
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Arnica Montana Flower Extract
(Masking, Perfuming, Skin Conditioning) |
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Prunus Amygdalus Dulcis Oil
(Skin Conditioning) |
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Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning) |
Good for Dry Skin
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Sodium Lactate
(Buffering Agent, Exfoliant, Humectant, Keratolytic) |
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Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Aspartic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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PCA
(Humectant, Moisturising) |
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Glycine
(Buffering Agent, Fragrance, Hair Conditioning, Skin Conditioning Agent Miscellaneous, Antistatic Agent, Skin Conditioning) |
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Alanine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Valine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Proline
(Fragrance, Hair Conditioning, Skin Conditioning) |
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Threonine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Hair Waving Or Straightening) |
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Isoleucine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent) |
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Histidine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant) |
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Phenylalanine
(Fragrance, Hair Conditioning, Skin Conditioning) |
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Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning) |
Allergens
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic Acid
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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