Gloss Absolu Hydra-Illuminating Shampoo
The Kérastase Gloss Absolu Hydra-Illuminating Shampoo is a misc. Our analysis of its 30 ingredients (19 low-risk) rates it Excellent (85/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.
The Kérastase Gloss Absolu Hydra-Illuminating Shampoo is a misc. Our analysis of its 30 ingredients (19 low-risk) rates it Excellent (85/100). Based on its ingredients, it looks well-suited to oily / acne-prone 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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Sodium Laureth Sulfate
(Cleansing, Emulsifying, Foaming, Surfactant) |
Bad for Oily Skin
Sulfate
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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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Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking) |
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Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative) |
Good for Oily Skin
Bad for Sensitive Skin
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Sodium Hydroxide
(Denaturant, Ph Adjuster, Buffering Agent) |
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Triethyl Citrate
(Fragrance, Plasticizer, Antioxidant, Deodorant, Masking, Solvent) |
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PARFUM
(Fragrance, Perfuming) |
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Cocamidopropyl Hydroxysultaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling) |
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Decyl Glucoside
(Cleansing, Emulsion Stabilising, Surfactant) |
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Sodium Chloride
(Bulking Agent, Masking, Oral Care Agent, Viscosity Controlling) |
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Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking) |
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning) |
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Brassicamidopropyl Dimethylamine
(Hair Conditioning, Skin Conditioning) |
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Glyceryl Oleate
(Fragrance, Skin Conditioning, Emollient, Emulsifying, Surfactant, Perfuming) |
Fungal Acne Trigger
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Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking) |
Bad for Sensitive Skin
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Linalool
(Fragrance, Deodorant, Masking) |
Allergens
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Citronellol
(Fragrance, Masking) |
Allergens
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Hexyl Cinnamal
(Fragrance, Masking) |
Allergens
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Alpha-Isomethyl Ionone
(Perfuming, Skin Conditioning) |
Allergens
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Citral
(Flavoring Agent, Fragrance, Masking) |
Allergens
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Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent) |
Good for Oily Skin
Bad for Sensitive Skin
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Sodium Hyaluronate
(Skin Conditioning, Humectant) |
Good for Dry Skin
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Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent) |
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Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Antistatic Agent, Emollient) |
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TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning) |
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Ascorbyl Palmitate
(Antioxidant, Masking) |
Fungal Acne Trigger
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Hydrogenated Palm Glycerides Citrate
(Skin Conditioning, Emollient) |
Fungal Acne Trigger
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Rosa Canina Flower Extract
(Astringent) |
No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.
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.
Trust & honesty
Contains ingredients some choose to avoid or double-check while pregnant or nursing.
Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.
This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.
The concentrations these actives are typically effective at in research — not a measurement of this product.
L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.
Ascorbyl Palmitate
Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.
Salicylic Acid
OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.
Lactic Acid, Glycolic 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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