Peter Thomas Roth Rose Stem Cell Bio-Repair Gel Mask

Peter Thomas Roth

Peter Thomas Roth Rose Stem Cell Bio-Repair Gel Mask

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About this product

The Peter Thomas Roth Rose Stem Cell Bio-Repair Gel Mask is a wash-off mask. Our analysis of its 30 ingredients (22 low-risk) rates it Excellent (94/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin.

Vegan-friendly

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Wash-Off Mask
Ingredients
30
Low-risk
22
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 5/6
Good for dry skin
Rosa Canina Fruit Oil Butylene Glycol Sodium PCA Glycerin Propylene Glycol
Caution for dry skin
Rosa Canina Fruit Extract Glycerin Trideceth-9 PPG-26-Buteth-26 PEG-40 Hydrogenated Castor Oil Triethanolamine
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Rosa Canina Fruit Extract
Sensitive Skin 6/12
Good for sensitive skin
Rosa Centifolia Flower Water Glycerin Commiphora Myrrha Leaf Cell Extract Allantoin BHT Aloe Barbadensis Leaf Juice
Caution for sensitive skin
Rosa Damascena Flower Oil Rosa Damascena Extract Butylene Glycol Glycerin Propylene Glycol Commiphora Myrrha Leaf Cell Extract PPG-26-Buteth-26 Potassium Sorbate PEG-40 Hydrogenated Castor Oil Triethanolamine BHT Adenium Obesum Leaf Cell Extract

Ingredients list

30 total
Lower hazard (1) Higher hazard (6)
All30 Skin Conditioning16 Fragrance8 Humectant7 Masking7 Skin Protecting6 Solvent5 Viscosity Controlling5 Emulsifying4
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
Propanediol
(Solvent, Viscosity Decreasing Agent, Viscosity Controlling)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
Fungal Acne
Fungal Acne Trigger
1
B
Trideceth-9
(Emulsifying, Surfactant)
5
B
Triethanolamine
(Fragrance, Ph Adjuster, Emulsifying, Surfactant, Buffering Agent, Masking)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
Rosa Damascena Extract
(Masking, Tonic)
1
Rosa Canina Fruit Extract
(Astringent, Skin Conditioning, Tonic)
1
Rosa Damascena Flower Oil
(Masking, Skin Conditioning)
1
A
Rosa Canina Fruit Oil
(Emollient, Skin Conditioning)
1
Rosa Centifolia Flower Water
(Skin Conditioning, Skin Protecting)
1
Commiphora Myrrha Leaf Cell Extract
(Masking, Skin Protecting)
Adenium Obesum Leaf Cell Extract
(Masking, Skin Conditioning)
1
Leuconostoc/Radish Root Ferment Filtrate
(Antidandruff Agent, Antimicrobial)
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
Allantoin
(Skin Conditioning, Skin Protecting, Soothing)
Good for Oily Skin
Good for Oily Skin
Good for Sensitive Skin
Good for Sensitive Skin
B
Aloe Barbadensis Leaf Juice
(Skin Conditioning)
Good for Sensitive Skin
Good for Sensitive Skin
6
A
BHT
(Antioxidant, Fragrance, Masking)
1
B
Sodium PCA
(Hair Conditioning, Humectant, Antistatic Agent, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
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
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
2
A
PPG-26-Buteth-26
(Fragrance, Hair Conditioning, Skin Conditioning, Emulsifying, Surfactant)
4
Ethylhexyl Salicylate
(Uv Absorber, Uv Filter)
2
Butyl Methoxydibenzoylmethane
(Uv Absorber, Uv Filter)
6
Ethylhexyl Methoxycinnamate
(Uv Absorber, Uv Filter)
Bad for Oily Skin
Bad for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
3
A
Potassium Sorbate
(Fragrance, Preservative)
2
Red 30 Lake
Rosa Alba Leaf Cell Extract
(Antioxidant, Skin Protecting)

My Ingredient Notes

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Key ingredients

Butylene Glycol
Skin Conditioning, Humectant
Rosa Canina Fruit Extract
Astringent, Skin Conditioning
Rosa Damascena Flower Oil
Skin Conditioning
Rosa Canina Fruit Oil
Emollient, Skin Conditioning
Rosa Centifolia Flower Water
Skin Conditioning, Skin Protecting
Commiphora Myrrha Leaf Cell Extract
Skin Protecting

Benefits

Good for oily/acne-prone skin

Concerns

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

Ingredients explained

Water
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 Solvent
Propanediol
Solvent, Viscosity decreasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 SolventViscosity decreasing agentViscosity controlling
Trideceth-9
Emulsifying, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmulsifyingSurfactant
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Rosa Damascena Extract
Masking, Tonic
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingTonic
Rosa Canina Fruit Extract
Astringent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 AstringentSkin conditioningTonic
Rosa Damascena Flower Oil
Masking, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingSkin conditioning
Rosa Canina Fruit Oil
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientSkin conditioning
Rosa Centifolia Flower Water
Skin conditioning, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningSkin protecting
Commiphora Myrrha Leaf Cell Extract
Masking, Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 MaskingSkin protecting
Adenium Obesum Leaf Cell Extract
Masking, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A MaskingSkin conditioning
Leuconostoc/Radish Root Ferment Filtrate
Antidandruff agent, Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 1 Antidandruff agentAntimicrobial
Ethylhexylglycerin
Deodorant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A DeodorantSkin conditioning
PPG-26-Buteth-26
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A FragranceHair conditioningSkin conditioningEmulsifyingSurfactant
Ethylhexyl Salicylate
Uv absorber, Uv filter
Low-to-moderate hazard.Read moreShow less
EWG 4 Uv absorberUv filter
+ 5 more — see the full ingredients list above
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
PEG-40 Hydrogenated Castor Oil
Fragrance, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B FragranceEmulsifyingSurfactantPerfuming Fungal-acne trigger
Triethanolamine
Fragrance, Ph adjuster
Moderate-hazard ingredient.Read moreShow less
EWG 5 CIR B FragrancePh adjusterEmulsifyingSurfactantBuffering agentMasking
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
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
Aloe Barbadensis Leaf Juice
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A CIR B Skin conditioning Good for Sensitive Skin
BHT
Antioxidant, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A AntioxidantFragranceMasking
Sodium PCA
Hair conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Hair conditioningHumectantAntistatic agentSkin conditioning Good for Dry 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
Ethylhexyl Methoxycinnamate
Uv absorber, Uv filter
Potentially a skin irritantRead moreShow less
EWG 6 Uv absorberUv filter Bad for Oily SkinBad for Sensitive Skin

How to use

How to use

  • 1 Where it fits: Use as the first step, on clean hands, before the rest of your routine.
  • 2 Morning only: Apply as the last step of your AM routine, after moisturiser, and reapply every ~2 hours of sun exposure.

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

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