WASO: Hydrating Gel Beauty Sleeping Mask

Shiseido

WASO: Hydrating Gel Beauty Sleeping Mask

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About this product

The Shiseido WASO: Hydrating Gel Beauty Sleeping Mask is a leave on & sleeping mask. Our analysis of its 49 ingredients (32 low-risk) rates it Excellent (89/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin. Heads up: it contains fragrance, which can irritate sensitive or reactive skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Leave On & Sleeping Masks
Ingredients
49
Low-risk
32
Fragrance
Contains fragrance
Origin
Japan

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 11/5
Good for dry skin
Dipotassium Glycyrrhizate Maltitol Saccharide Isomerate Panax Ginseng Root Extract Butylene Glycol Glycerin Trehalose Trimethylolpropane Triethylhexanoate Triisostearin Pentaerythrityl Tetraethylhexanoate Dimethicone
Caution for dry skin
Dextrin Palmitate Glycerin Alcohol Hydrogenated Lecithin Talc
Oily/Acne-Prone Skin 1/1
Good for oily/acne-prone skin
Alcohol
Caution for oily/acne-prone skin
Pentaerythrityl Tetraethylhexanoate
Sensitive Skin 7/17
Good for sensitive skin
Paeonia Suffruticosa Root Extract Panax Ginseng Root Extract Glycerin Dimethicone Talc BHT Citrus Junos Seed Extract
Caution for sensitive skin
Dipropylene Glycol Maltitol Serine Sodium Citrate Butylene Glycol Glycerin Citric Acid Alcohol Phenoxyethanol Linalool Citronellol Hexyl Cinnamal Limonene Benzyl Benzoate BHT Butylphenyl Methylpropional Geraniol

Ingredients list

49 total
Lower hazard (1) Higher hazard (7)
All49 Skin Conditioning18 Fragrance15 Masking13 Viscosity Controlling11 Humectant9 Solvent8 Skin Protecting7 Emulsion Stabilising6
EWG CIR Ingredient Name & Cosmetic Functions Notes
1
Water
(Solvent)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
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
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
1
A
Pentaerythrityl Tetraethylhexanoate
(Binding Agent, Skin Conditioning Agent Occlusive, Viscosity Increasing Agent, Emollient, Viscosity Controlling)
1
A
Maltitol
(Flavoring Agent, Humectant, Masking, Moisturising, Skin Conditioning)
3
A
Dimethicone
(Antifoaming Agent, Skin Protecting, Emollient, Skin Conditioning)
Silicone
Silicone
1
A
Trehalose
(Flavoring Agent, Humectant, Moisturising)
Euphorbia Cerifera Cera
(Astringent, Emulsion Stabilising, Film Forming, Perfuming, Skin Conditioning, Viscosity Controlling)
4
A
Phenoxyethanol
(Fragrance, Preservative)
Paraben
Paraben
4
6
A
PEG-240/HDI Copolymer Bis-Decyltetradeceth-20 Ether
(Viscosity Increasing Agent, Stabilising, Viscosity Controlling)
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
PARFUM
(Fragrance, Perfuming)
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
1
Saccharide Isomerate
(Humectant)
3
A
Talc
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Skin Protecting, Slip Modifier)
1
A
Dipotassium Glycyrrhizate
(Flavoring Agent, Skin Conditioning, Humectant)
1
A
Dextrin Palmitate
(Anticaking Agent, Emulsifying, Surfactant)
1
B
Sodium Metaphosphate
(Buffering Agent, Chelating Agent, Oral Care Agent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
1
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
(Emulsion Stabilising, Film Forming, Viscosity Controlling)
Carthamus Tinctorius Seed Oil
(Fragrance, Skin Conditioning)
1
A
Serine
(Fragrance, Hair Conditioning, Skin Conditioning, Antistatic Agent, Masking)
7
Butylphenyl Methylpropional
(Perfuming)
Allergens
Allergens
6
Limonene
(Deodorant, Perfuming, Solvent)
Allergens
Allergens
5
Hexyl Cinnamal
(Fragrance, Masking)
Allergens
Allergens
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens
6
A
Benzyl Benzoate
(Fragrance, Solvent, Antimicrobial, Masking)
Allergens
Allergens
1
A
Calcium Stearate
(Anticaking Agent, Colorant, Emulsion Stabilising, Viscosity Increasing Agent, Cosmetic Colorant, Viscosity Controlling)
1
CI 77492
(Colorant, Cosmetic Colorant)
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)
5
Citronellol
(Fragrance, Masking)
Allergens
Allergens
1
Paeonia Suffruticosa Root Extract
(Skin Protecting)
7
Geraniol
(Fragrance, Masking, Tonic)
Allergens
Allergens
Daucus Carota Sativa Root Protoplasts
(Humectant, Skin Conditioning, Skin Conditioning Emollient)
Citrus Junos Seed Extract
(Antioxidant)
PEG-30 Phytosterol
(Emulsifying)
2
A
Hydrogenated Lecithin
(Skin Conditioning, Emulsifying, Surfactant, Suspending Agent Nonsurfactant)
1
A
Triisostearin
(Viscosity Increasing Agent, Emollient, Skin Conditioning, Solvent, Viscosity Controlling)
1
A
Panax Ginseng Root Extract
(Emollient, Hair Conditioning, Skin Protecting, Tonic)
6
A
BHT
(Antioxidant, Fragrance, Masking)
1
Trimethylolpropane Triethylhexanoate
(Emollient, Skin Conditioning)
1
Plankton Extract
(Skin Conditioning)
1
B
Sodium Phosphate
(Buffering Agent)
1
A
Trisodium EDTA
(Chelating Agent)
1
Polysilicone-2
(Antifoaming Agent, Hair Conditioning)
TOCOPHEROL
(Antioxidant, Fragrance, Skin Conditioning)

My Ingredient Notes

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Key ingredients

Glycerin
Humectant, Skin Protecting
Alcohol
Astringent
Pentaerythrityl Tetraethylhexanoate
Emollient
Maltitol
Humectant, Moisturising
Dimethicone
Skin Protecting, Emollient
Trehalose
Humectant, Moisturising

Benefits

Good for dry skin

Concerns

Contains paraben
Contains silicone
Contains eu allergen
Not fungal acne (malassezia) safe
Butylphenyl Methylpropional — higher EWG
Geraniol — 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
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
Pentaerythrityl Tetraethylhexanoate
Binding agent, Skin-conditioning agent - occlusive
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentSkin-conditioning agent - occlusiveViscosity increasing agentEmollientViscosity controlling
Maltitol
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantMaskingMoisturisingSkin conditioning
Trehalose
Flavoring agent, Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentHumectantMoisturising
Euphorbia Cerifera Cera
Astringent, Emulsion stabilising
Limited public safety data.Read moreShow less
EWG N/A AstringentEmulsion stabilisingFilm formingPerfumingSkin conditioningViscosity controlling
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
PARFUM
Fragrance, Perfuming
Limited public safety data.Read moreShow less
EWG N/A FragrancePerfuming
Potassium Hydroxide
Ph adjuster, Buffering agent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Ph adjusterBuffering agent
Saccharide Isomerate
Humectant
Low-hazard ingredient.Read moreShow less
EWG 1 Humectant
Talc
Abrasive, Absorbent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A AbrasiveAbsorbentAnticaking agentBulking agentOpacifyingSkin protectingSlip modifier
Dipotassium Glycyrrhizate
Flavoring agent, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Flavoring agentSkin conditioningHumectant
Dextrin Palmitate
Anticaking agent, Emulsifying
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Anticaking agentEmulsifyingSurfactant
Sodium Metaphosphate
Buffering agent, Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Buffering agentChelating agentOral care agent
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
+ 19 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
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
Dimethicone
Antifoaming agent, Skin protecting
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A Antifoaming agentSkin protectingEmollientSkin conditioning Silicone
Phenoxyethanol
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR A FragrancePreservative Paraben
PEG-240/HDI Copolymer Bis-Decyltetradeceth-20 Ether
Viscosity increasing agent, Stabilising
Moderate-hazard ingredient.Read moreShow less
EWG 4–6 CIR A Viscosity increasing agentStabilisingViscosity controlling
Butylene Glycol
Fragrance, Skin conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSkin conditioningSolventViscositydecreasing agentHumectantMaskingViscosity controlling Good for Dry Skin
Butylphenyl Methylpropional
Perfuming
Higher-hazard ingredient.Read moreShow less
EWG 7 Perfuming Allergens
Limonene
Deodorant, Perfuming
Moderate-hazard ingredient.Read moreShow less
EWG 6 DeodorantPerfumingSolvent Allergens
Hexyl Cinnamal
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens
Benzyl Benzoate
Fragrance, Solvent
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A FragranceSolventAntimicrobialMasking Allergens
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
Citronellol
Fragrance, Masking
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceMasking Allergens
Geraniol
Fragrance, Masking
Higher-hazard ingredient.Read moreShow less
EWG 7 FragranceMaskingTonic Allergens
BHT
Antioxidant, Fragrance
Moderate-hazard ingredient.Read moreShow less
EWG 6 CIR A AntioxidantFragranceMasking

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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