Marine Algae Cream Mask

Oh K!

Where to buy Possibly in stock

About this product

The Oh K! Marine Algae Cream Mask is a sheet mask. Our analysis of its 37 ingredients (35 low-risk) rates it Excellent (100/100). 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
Sheet Mask
Ingredients
37
Low-risk
35
Fragrance
Fragrance-free
Origin
United Kingdom

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 16/6
Good for dry skin
Glucose Glyceryl Glucoside Glyceryl Stearate Dipotassium Glycyrrhizate Behenyl Alcohol Cetearyl Alcohol Cetyl Ethylhexanoate Caprylic/Capric Triglyceride Caprylyl Glycol Butylene Glycol Sodium Hyaluronate Glycerin Polyglyceryl-3 Methylglucose Distearate Hydrogenated Vegetable Oil Hydrogenated Ethylhexyl Olivate Hydrogenated Olive Oil Unsaponifiables
Caution for dry skin
Dextrin Sorbitan Isostearate Stearic Acid Xanthan Gum Glycerin Polyglyceryl-3 Methylglucose Distearate
Oily/Acne-Prone Skin No data
Sensitive Skin 4/7
Good for sensitive skin
Laminaria Japonica Extract Gelidium Cartilagineum Extract Glycerin Hydroxyacetophenone
Caution for sensitive skin
Laminaria Japonica Extract Dipropylene Glycol Stearic Acid Arginine Caprylic/Capric Triglyceride Butylene Glycol Glycerin

Ingredients list

37 total
Lower hazard (1) Higher hazard (2)
All37 Skin Conditioning28 Emulsion Stabilising10 Emollient10 Humectant9 Viscosity Controlling9 Solvent6 Fragrance6 Viscosity Increasing Agent6
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
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
B
Cetyl Ethylhexanoate
(Skin Conditioning, Emollient)
1
B
Hydrogenated Ethylhexyl Olivate
(Emollient, Skin Conditioning)
1
A
Caprylic/Capric Triglyceride
(Emollient, Masking, Perfuming, Skin Conditioning, Solvent)
1
A
Behenyl Alcohol
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent, Binding, Emollient, Viscosity Controlling)
1
Polyglyceryl-3 Methylglucose Distearate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
1
A
Hydrogenated Vegetable Oil
(Viscosity Increasing Agent, Emollient, Skin Conditioning)
Bad for Oily Skin
Bad for Oily Skin
1
Glyceryl Glucoside
(Humectant, Skin Conditioning)
1
A
Cetearyl Alcohol
(Emulsion Stabilising, Opacifying, Foam Boosting, Viscosity Increasingagent Aqueous, Viscosity Increasing Agent, Emollient, Emulsifying, Viscosity Controlling)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
A
Glyceryl Stearate
(Emollient, Emulsifying)
Fungal Acne
Fungal Acne Trigger
1
A
Hydrogenated Olive Oil Unsaponifiables
(Hair Conditioning, Skin Conditioning, Emollient)
1
Hydroxyacetophenone
(Antioxidant)
1
A
Stearic Acid
(Fragrance, Sufactant, Emulsifying, Surfactantsurfactant Cleansing Agent Is Included As A Function For The Soap Form Of Stearic Acid., Emulsion Stabilising, Masking, Refatting)
Bad for Oily Skin
Bad for Oily Skin
Fungal Acne
Fungal Acne Trigger
1
A
Arginine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
1
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
(Emulsion Stabilising, Viscosity Controlling)
1
A
Xanthan Gum
(Binding Agent, Emulsion Stabilising, Skin Conditioning, Surfactant Emulsifying Agent, Viscosity Increasing Agent, Binding, Gel Forming, Viscosity Controlling)
1
A
Caprylyl Glycol
(Hair Conditioning, Skin Conditioning, Emollient, Humectant)
1
A
1,2-Hexanediol
(Solvent)
1
A
Dextrin
(Absorbent, Binding Agent, Bulking Agent, Viscosity Increasing Agent, Binding, Viscosity Controlling)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
A
Glucose
(Flavoring Agent, Humectant, Skin Conditioning Agent Miscellaneous)
1
Lactobacillus Ferment
(Skin Conditioning)
Stellaria Media Extract
(Skin Conditioning)
1
Gardenia Florida Fruit Extract
(Skin Conditioning)
1
A
Sorbitan Isostearate
(Emulsifying, Surfactant)
1
A
Sodium Hyaluronate
(Skin Conditioning, Humectant)
Good for Dry Skin
Good for Dry Skin
1
Sea Silt
(Skin Conditioning)
1
A
Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant)
1
Laminaria Japonica Extract
(Fragrance, Skin Protecting)
1
Gelidium Cartilagineum Extract
(Skin Protecting)
1
Salicornia Herbacea Extract
(Skin Conditioning)
Hizikia Fusiforme Extract
(Skin Conditioning)

My Ingredient Notes

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Key ingredients

Glycerin
Humectant, Skin Protecting
Butylene Glycol
Skin Conditioning, Humectant
Cetyl Ethylhexanoate
Skin Conditioning, Emollient
Hydrogenated Ethylhexyl Olivate
Emollient, Skin Conditioning
Caprylic/Capric Triglyceride
Emollient, Skin Conditioning
Behenyl Alcohol
Emollient

Benefits

Good for dry 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
Cetyl Ethylhexanoate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Skin conditioningEmollient
Hydrogenated Ethylhexyl Olivate
Emollient, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B EmollientSkin conditioning
Caprylic/Capric Triglyceride
Emollient, Masking
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientMaskingPerfumingSkin conditioningSolvent
Behenyl Alcohol
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingViscosity increasing agentBindingEmollientViscosity controlling
Polyglyceryl-3 Methylglucose Distearate
Skin conditioning, Emollient
Low-hazard ingredient.Read moreShow less
EWG 1 Skin conditioningEmollientEmulsifyingSurfactant
Glyceryl Glucoside
Humectant, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 HumectantSkin conditioning
Cetearyl Alcohol
Emulsion stabilising, Opacifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingOpacifyingFoam boostingViscosity increasingagent - aqueousViscosity increasing agentEmollientEmulsifyingViscosity controlling
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
Hydrogenated Olive Oil Unsaponifiables
Hair conditioning, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Hair conditioningSkin conditioningEmollient
Hydroxyacetophenone
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Arginine
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceHair conditioningSkin conditioningAntistatic agentMasking
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer
Emulsion stabilising, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 Emulsion stabilisingViscosity controlling
Xanthan Gum
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingSkin conditioningSurfactant -emulsifying agentViscosity increasing agentBindingGel formingViscosity controlling
+ 16 more — see the full ingredients list above
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
Hydrogenated Vegetable Oil
Viscosity increasing agent, Emollient
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A Viscosity increasing agentEmollientSkin conditioning Bad for Oily Skin
Glyceryl Stearate
Emollient, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A EmollientEmulsifying Fungal-acne trigger
Stearic Acid
Fragrance, Sufactant
Potentially comedogenic - can block poresRead moreShow less
EWG 1 CIR A FragranceSufactantEmulsifyingSurfactantsurfactant-cleansing agent is included as a function for the soap form of stearic acid.Emulsion stabilisingMaskingRefatting Bad for Oily SkinFungal-acne trigger
Sodium Hyaluronate
Skin conditioning, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningHumectant Good for Dry Skin

How to use

How to use

  • 1 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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