Peter Thomas Roth Cucumber De-Tox Hydrating Serum

Peter Thomas Roth

Peter Thomas Roth Cucumber De-Tox Hydrating Serum

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About this product

The Peter Thomas Roth Cucumber De-Tox Hydrating Serum is a serums, essence, ampoule. Our analysis of its 23 ingredients (19 low-risk) rates it Excellent (92/100). Based on its ingredients, it looks well-suited to dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Serums, Essence, Ampoules
Ingredients
23
Low-risk
19
Fragrance
Contains fragrance
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 11/1
Good for dry skin
Cucumis Sativus (Cucumber) Fruit Extract Saccharide Isomerate Sorbitol Butylene Glycol Sodium PCA Sodium Hyaluronate Glycerin Trehalose Polyquaternium-51 Hydrolyzed Silk Urea
Caution for dry skin
Glycerin
Oily/Acne-Prone Skin No data
Sensitive Skin 2/10
Good for sensitive skin
Cucumis Sativus (Cucumber) Fruit Extract Glycerin
Caution for sensitive skin
Sodium Citrate Sorbitol Butylene Glycol Glycerin Triacetin Citric Acid Sodium Benzoate Potassium Sorbate Phenoxyethanol Fragrance

Ingredients list

23 total
Lower hazard (1) Higher hazard (8)
All23 Humectant14 Skin Conditioning13 Fragrance8 Masking6 Solvent4 Hair Conditioning3 Preservative3 Antistatic Agent3
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(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
Saccharide Isomerate
(Humectant)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Cucumis Sativus (Cucumber) Fruit Extract
(Skin Conditioning, Emollient)
Good for Dry Skin
Good for Dry Skin
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
A
Hydrolyzed Silk
(Hair Conditioning, Skin Conditioning, Antistatic Agent, Humectant)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
1
Sorbitol
(Flavoring Agent, Fragrance, Humectant, Plasticizer, Skin Conditioning)
1
Polyquaternium-51
(Film Forming, Humectant, Skin Conditioning)
3
A
Urea
(Buffering Agent, Humectant, Antistatic Agent, Skin Conditioning)
1
Salvia Sclarea (Clary) Oil
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Sodium Citrate
(Ph Adjuster, Buffering Agent, Chelating, Masking)
1
A
Triacetin
(Cosmetic Biocide, Fragrance, Plasticizer, Solvent, Antimicrobial, Film Forming, Masking)
3
A
Potassium Sorbate
(Fragrance, Preservative)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
8
Fragrance
(Deodorant, Masking, Perfuming)
4
c
Yellow 5 Lake
1
Blue 1

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

Glycerin
Humectant, Skin Protecting
Saccharide Isomerate
Humectant
Butylene Glycol
Skin Conditioning, Humectant
Cucumis Sativus (Cucumber) Fruit Extract
Skin Conditioning, Emollient
Sodium Hyaluronate
Skin Conditioning, Humectant
Hydrolyzed Silk
Skin Conditioning, Humectant

Benefits

Good for dry skin

Concerns

Contains paraben
Not fungal acne (malassezia) safe
Fragrance — 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
Saccharide Isomerate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Hydrolyzed Silk
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningAntistatic agentHumectant
Trehalose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantMoisturising
Sorbitol
Flavoring agent, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 Flavoring agentFragranceHumectantPlasticizerSkin conditioning
Polyquaternium-51
Film forming, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Film formingHumectantSkin conditioning
Urea
Buffering agent, Humectant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Buffering agentHumectantAntistatic agentSkin conditioning
Salvia Sclarea (Clary) Oil
Other
Low-hazard ingredient.Read moreShow less
EWG 1
Sodium Citrate
Ph adjuster, Buffering agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Ph adjusterBuffering agentChelatingMasking
Triacetin
Cosmetic biocide, Fragrance
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Cosmetic biocideFragrancePlasticizerSolventAntimicrobialFilm formingMasking
Potassium Sorbate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservative
Sodium Benzoate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservativeAnticorrosiveMasking
c
Other
Low-to-moderate hazard.Read moreShow less
EWG 4
Yellow 5 Lake
Other
Limited public safety data.Read moreShow less
EWG N/A
Blue 1
Other
Low-hazard ingredient.Read moreShow less
EWG 1
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
Cucumis Sativus (Cucumber) Fruit Extract
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningEmollient Good for Dry Skin
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry 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
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
Fragrance
Deodorant, Masking
Higher-hazard ingredient.Read moreShow less
EWG 8 DeodorantMaskingPerfuming

How to use

How to use

  • 1 Where it fits: Apply after toner and before moisturiser — thinnest to thickest.
  • 2 Morning & evening: Suitable for both AM and PM use.

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

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