Peter Thomas Roth Glycolic Acid Toner

Peter Thomas Roth

Peter Thomas Roth Glycolic Acid Toner

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About this product

The Peter Thomas Roth Glycolic Acid Toner is a toner. Our analysis of its 18 ingredients (15 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Toners
Ingredients
18
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 6/3
Good for dry skin
Methyl Gluceth-20 Chamomilla Recutita (Matricaria) Flower Extract Caprylyl Glycol Sodium PCA Propylene Glycol Lactic Acid
Caution for dry skin
Alcohol Polysorbate 20 Hamamelis Virginiana (Witch Hazel) Extract
Oily/Acne-Prone Skin 3/1
Good for oily/acne-prone skin
Sodium Ascorbyl Phosphate Alcohol Hamamelis Virginiana (Witch Hazel) Extract
Caution for oily/acne-prone skin
Chamomilla Recutita (Matricaria) Flower Extract
Sensitive Skin 4/5
Good for sensitive skin
Sodium Ascorbyl Phosphate Chamomilla Recutita (Matricaria) Flower Extract Allantoin Hamamelis Virginiana (Witch Hazel) Extract
Caution for sensitive skin
Chamomilla Recutita (Matricaria) Flower Extract Propylene Glycol Citric Acid Alcohol Lactic Acid

Ingredients list

18 total
Lower hazard (1) Higher hazard (6)
All18 Skin Conditioning17 Humectant7 Ph Adjuster4 Buffering Agent4 Fragrance4 Solvent3 Hair Conditioning3 Skin Protecting2
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
Methyl Gluceth-20
(Humectant, Moisturising)
3
B
Propylene Glycol
(Fragrance, Humectant, Skin Conditioningagent Miscellaneous, Solvent, Viscosity Decreasing Agent, Skin Conditioning, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
2
Alcohol
(Antifoaming Agent, Antimicrobial, Astringent, Masking, Solvent, Viscosity Controlling)
Bad for Dry Skin
Bad for Dry Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
4
B
Lactic Acid
(Exfoliant, Fragrance, Humectant, Ph Adjuster, Skin Conditioning Agent Humectant, Skin Conditioning, Buffering Agent)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Hamamelis Virginiana (Witch Hazel) Extract
(Cosmetic Astringent, Skin Conditioning, Hair Conditioning, Soothing)
Good for Oily Skin
Good for Oily Skin
1
B
Chamomilla Recutita (Matricaria) Flower Extract
(Fragrance, Skin Conditioning, Skin Conditioning Agent Occlusive, Perfuming)
Good for Sensitive Skin
Good for Sensitive Skin
Good for Dry Skin
Good for Dry Skin
1
3
Aloe Barbadensis (Aloe Vera) Gel
(Skin Conditioning)
5
6
B
Sodium Borate
(Ph Adjuster, Buffering Agent)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
3
B
Polysorbate 20
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
A
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
1
A
Sodium Ascorbyl Phosphate
(Antioxidant)
1
A
Phospholipids
(Skin Conditioning)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)

My Ingredient Notes

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Key ingredients

Glycolic Acid
Exfoliant
Methyl Gluceth-20
Humectant, Moisturising
Propylene Glycol
Humectant, Skin Conditioning
Alcohol
Astringent
Lactic Acid
Exfoliant, Humectant
Hamamelis Virginiana (Witch Hazel) Extract
Skin Conditioning, Soothing

Benefits

Good for dry skin
Good for oily/acne-prone skin

Concerns

Not fungal acne (malassezia) safe
May not suit sensitive skin

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Methyl Gluceth-20
Humectant, Moisturising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A HumectantMoisturising
Aloe Barbadensis (Aloe Vera) Gel
Skin conditioning
Low-to-moderate hazard.Read moreShow less
EWG 1–3 Skin conditioning
Sodium Ascorbyl Phosphate
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antioxidant
Phospholipids
Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioning
Caprylyl Glycol
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollientHumectant
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
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
Propylene Glycol
Fragrance, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceHumectantSkin-conditioningagent - miscellaneousSolventViscosity decreasing agentSkin conditioningViscosity controlling Good for Dry Skin
Alcohol
Antifoaming agent, Antimicrobial
Causes moisture evaporation - prone to dry out skinRead moreShow less
EWG 2 Antifoaming agentAntimicrobialAstringentMaskingSolventViscosity controlling Bad for Dry SkinBad for Sensitive Skin
Lactic Acid
Exfoliant, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B ExfoliantFragranceHumectantPh adjusterSkin-conditioning agent -humectantSkin conditioningBuffering agent Bad for Sensitive Skin
Hamamelis Virginiana (Witch Hazel) Extract
Cosmetic astringent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Cosmetic astringentSkin conditioningHair conditioningSoothing Good for Oily Skin
Chamomilla Recutita (Matricaria) Flower Extract
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B FragranceSkin conditioningSkin-conditioning agent -occlusivePerfuming Good for Sensitive SkinGood for Dry Skin
Sodium Borate
Ph adjuster, Buffering agent
Moderate-hazard ingredient.Read moreShow less
EWG 5–6 CIR B Ph adjusterBuffering agent
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry Skin
Polysorbate 20
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Allantoin
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningSkin protectingSoothing Good for Oily SkinGood for Sensitive Skin
Citric Acid
Chelating agent, Fragrance
Skin irritation can occur at high concentrationRead moreShow less
EWG 2 CIR A Chelating agentFragrancePh adjusterBuffering agentMasking Bad for Sensitive Skin

How to use

How to use

  • 1 Where it fits: Use right after cleansing, before serums.
  • 2 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 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

Effective levels — general guide

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

Vitamin C (ascorbic) 5–20%

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.

Sodium Ascorbyl Phosphate

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, 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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