a-Keratin Clarifying Shampoo
The Peter Coppola a-Keratin Clarifying Shampoo is a misc. Our analysis of its 30 ingredients (19 low-risk) rates it Excellent (87/100). Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Peter Coppola a-Keratin Clarifying Shampoo is a misc. Our analysis of its 30 ingredients (19 low-risk) rates it Excellent (87/100). 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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Sodium Laureth Sulfate
(Cleansing, Emulsifying, Foaming, Surfactant) |
Bad for Oily Skin
Sulfate
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Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling) |
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Cocamide MEA
(Foam Boosting, Viscosity Increasing Agent, Emulsifying, Emulsion Stabilising, Viscosity Controlling) |
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Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling) |
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PARFUM
(Fragrance, Perfuming) |
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Disodium EDTA
(Chelating Agent, Viscosity Controlling) |
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Acetamide MEA
(Hair Conditioning, Humectant, Foam Boosting, Viscosity Increasing Agent, Antistatic Agent, Skin Conditioning, Viscosity Controlling) |
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Hydrolyzed Keratin
(Hair Conditioning, Nail Conditioning Agent, Skin Conditioning, Antistatic Agent, Film Forming, Humectant) |
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Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning) |
Good for Dry Skin
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Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning) |
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Sodium Cocoyl Collagen Amino Acids
(Antistatic Agent, Hair Conditioning, Surfactant) |
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Cocoyl Sarcosine
(Cleansing, Hair Conditioning, Surfactant) |
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Triticum Vulgare Germ
(Bleaching, Skin Conditioning, Skin Protecting) |
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Triticum Vulgare Germ Oil
(Humectant, Skin Conditioning, Skin Conditioning Emollient) |
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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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Linolenic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linolenic Acid., Antistatic Agent, Emollient, Perfuming) |
Fungal Acne Trigger
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Linoleic Acid
(Fragrance, Hair Conditioning, Skin Conditioning, Sufactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Linoleic Acid., Antistatic Agent, Emollient) |
Fungal Acne Trigger
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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SIMMONDSIA CHINENSIS SEED OIL
(Hair Conditioning, Skin Conditioning, Skin Conditioning Emollient) |
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
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Hydrolyzed Glycosaminoglycans
(Hair Conditioning, Skin Conditioning, Humectant) |
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Polysorbate 20
(Emulsifying, Surfactant) |
Fungal Acne Trigger
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Polysorbate 80
(Denaturant, Emulsifying, Surfactant) |
Fungal Acne Trigger
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Methylchloroisothiazolinone
(Preservative) |
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Methylisothiazolinone
(Preservative) |
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CI 19140
(Colorant, Cosmetic Colorant) |
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Benzyl Salicylate
(Fragrance, Uv Absorber, Masking) |
Allergens
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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EWG flags hazard, not real-world risk — ratings don't account for how much of an ingredient a product contains. Treat these as things to research, not verdicts. How we score →
How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
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