Peter Thomas Roth Glycolic Acid 10% Moisturizer

Peter Thomas Roth

Peter Thomas Roth Glycolic Acid 10% Moisturizer

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About this product

The Peter Thomas Roth Glycolic Acid 10% Moisturizer is a moisturizer. Our analysis of its 22 ingredients (15 low-risk) rates it Excellent (83/100). Based on its ingredients, it looks well-suited to dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Moisturizers
Ingredients
22
Low-risk
15
Fragrance
Fragrance-free
Origin
United States

The evidence

Quick Product Notes

Paraben-Free Sulfate-Free Alcohol-Free Silicone-Free EU Allergen-Free Fungal Acne (Malassezia) Safe

Notable Effects & Ingredients

No Notable Effects & Ingredients

Ingredients Related to Skin Types

Good   Bad — tap a skin type to see which ingredients · estimated from ingredient functions
Dry Skin 6/4
Good for dry skin
Glyceryl Stearate Squalane Caprylic/Capric Triglyceride Butylene Glycol Glycerin Dimethicone
Caution for dry skin
Glycerin Oleth-2 Polysorbate 20 PEG-100 Stearate
Oily/Acne-Prone Skin No data
Sensitive Skin 4/9
Good for sensitive skin
Glycerin Dimethicone Tocopheryl Acetate Aloe Barbadensis Leaf
Caution for sensitive skin
Arginine Caprylic/Capric Triglyceride Butylene Glycol Glycerin Retinyl Palmitate (Vitamin A) Oleth-2 Methylparaben Propylparaben Aloe Barbadensis Leaf

Ingredients list

22 total
Lower hazard (1) Higher hazard (9)
All22 Skin Conditioning9 Fragrance6 Solvent4 Masking4 Emollient4 Viscosity Controlling3 Skin Protecting3 Humectant3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
4
B
Glycolic Acid
(Exfoliant, Ph Adjuster, Buffering Agent)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
B
Aloe Barbadensis Leaf
(Masking)
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
3
A
PEG-100 Stearate
(Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
2
A
Glycerin
(Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care Agent, Oral Health Care Drug, Skin Protecting, Viscosity Decreasing Agent, Perfuming, Solvent)
Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Carthamus Tinctorius (Safflower) Seed Oil Fungal Acne
Fungal Acne Trigger
4
A
Emulsifying Wax
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Squalane
(Emollient, Hair Conditioning, Refatting, Skin Conditioning)
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
9
Retinyl Palmitate (Vitamin A) Good for Dry Skin
Good for Dry Skin
Fungal Acne
Fungal Acne Trigger
3
Tocopheryl Acetate
(Antioxidant, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
2
Oleth-2
(Fragrance, Emulsifying, Surfactant)
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
4
A
Methylparaben
(Fragrance, Preservative)
Paraben
Paraben
7
A
Propylparaben
(Fragrance, Preservative, Perfuming)
Paraben
Paraben
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
6
B
Diazolidinyl Urea
(Preservative)

My Ingredient Notes

No personal ingredient notes yet. Save ingredients to your profile to get good/bad alerts here.

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Key ingredients

Glycolic Acid
Exfoliant
Arginine
Skin Conditioning
Glyceryl Stearate
Emollient
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Glycerin
Humectant, Skin Protecting
Butylene Glycol
Skin Conditioning, Humectant

Benefits

Good for dry skin

Concerns

Contains paraben
Contains silicone
Not fungal acne (malassezia) safe
Retinyl Palmitate (Vitamin A) — higher EWG
Propylparaben — higher EWG
May not suit sensitive skin

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 →

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Arginine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Emulsifying Wax
Other
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A
Squalane
Emollient, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientHair conditioningRefattingSkin conditioning
Hydroxyethylcellulose
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFilm formingViscosity increasing agentBindingStabilisingViscosity controlling
Oleth-2
Fragrance, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 2 FragranceEmulsifyingSurfactant
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
Glycolic Acid
Exfoliant, Ph adjuster
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantPh adjusterBuffering agent Good for Oily SkinBad for Sensitive Skin
Aloe Barbadensis Leaf
Masking
Limited public safety data.Read moreShow less
EWG N/A CIR B Masking Good for Sensitive Skin
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
PEG-100 Stearate
Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Surfactant Fungal-acne trigger
Glycerin
Denaturant, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A DenaturantFragranceHair conditioningHumectantOral care agentOral health care drugSkin protectingViscosity decreasing agentPerfumingSolvent Good for Dry SkinFungal-acne trigger
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Carthamus Tinctorius (Safflower) Seed Oil
Other
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Fungal-acne trigger
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Retinyl Palmitate (Vitamin A)
Other
Higher-hazard ingredient.Read moreShow less
EWG 9 Good for Dry SkinFungal-acne trigger
Tocopheryl Acetate
Antioxidant, Skin conditioning
Potentially comedogenic - can block poresRead moreShow less
EWG 3 AntioxidantSkin conditioning Bad for Oily Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Methylparaben
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Propylparaben
Fragrance, Preservative
Higher-hazard ingredient.Read moreShow less
EWG 7 CIR A FragrancePreservativePerfuming Paraben
Diazolidinyl Urea
Preservative
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR B Preservative

How to use

How to use

  • 1 Where it fits: Apply near the end of your routine, after thinner serums.
  • 2 Evening: Use at night — start 2–3× a week and build up as your skin tolerates it.
  • 3 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

General guidance from this product's category and active ingredients — always follow the directions on the package.

Trust & honesty

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Often avoided
Retinoids (Vitamin A) (Retinyl Palmitate (Vitamin A))

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.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

Retinoids (Vitamin A) 0.01–1%

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)

AHA (acid exfoliant) 5–10% (OTC)

OTC leave-on AHAs are usually 5–10%. The effect also depends on pH and free-acid value, not the percentage alone.

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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