Peter Thomas Roth Gentle Foaming Cleanser
The Peter Thomas Roth Gentle Foaming Cleanser is a cleanser. Our analysis of its 22 ingredients (17 low-risk) rates it Excellent (89/100).
The Peter Thomas Roth Gentle Foaming Cleanser is a cleanser. Our analysis of its 22 ingredients (17 low-risk) rates it Excellent (89/100).
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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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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Sodium Cocoamphoacetate
(Hair Conditioning, Sufactant, Foam Boosting, Foaming) |
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Lauryl Glucoside
(Cleansing, Surfactant) |
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Decyl Glucoside
(Cleansing, Emulsion Stabilising, Surfactant) |
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Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling) |
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Tocopheryl Acetate
(Antioxidant, Skin Conditioning) |
Bad for Oily Skin
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Retinyl Palmitate (Vitamin A) |
Good for Dry Skin
Fungal Acne Trigger
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Ascorbyl Palmitate
(Antioxidant, Masking) |
Fungal Acne Trigger
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Phospholipids
(Skin Conditioning) |
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Wheat Amino Acids
(Hair Conditioning, Skin Conditioning, Skin Protecting, Soothing) |
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PEG-7 Glyceryl Cocoate
(Skin Conditioning, Emollient, Emulsifying, Surfactant) |
Fungal Acne Trigger
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Sodium Methyl Cocoyl Taurate
(Cleansing, Foaming, Surfactant) |
Fungal Acne Trigger
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Sodium Cocoyl Glutamate
(Cleansing, Surfactant) |
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Sodium Lauryl Glucose Carboxylate
(Cleansing, Surfactant) |
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Coco-glucoside
(Cleansing, Foaming, Surfactant) |
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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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Phenoxyethanol
(Fragrance, Preservative) |
Paraben
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Benzoic Acid
(Fragrance, Ph Adjuster, Preservative, Bulking Agent, Masking) |
Bad for Sensitive Skin
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Dehydroacetic Acid
(Preservative) |
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Ethylhexylglycerin
(Deodorant, Skin Conditioning) |
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.
Topical retinoids (retinol, retinaldehyde, retinyl esters) are widely advised against in pregnancy as a precaution. The strongest evidence is for ORAL retinoids; topical absorption is low, but most clinicians err on the side of caution.
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.
Most studied between 0.1% and 1%. Higher is not automatically better — irritation climbs with dose, so a well-formulated lower strength is often the sweet spot.
Retinyl Palmitate (Vitamin A)
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
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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