100 Mask

Ottie

Where to buy Possibly in stock

About this product

The Ottie 100 Mask is a sheet mask. Our analysis of its 27 ingredients (23 low-risk) rates it Excellent (98/100). Based on its ingredients, it looks well-suited to oily / acne-prone skin.

Vegan-friendly Reef-safe

Summarised from our ingredient analysis — not brand marketing copy.

At a glance

Type
Sheet Mask
Ingredients
27
Low-risk
23
Fragrance
Fragrance-free
Origin
South Korea

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 3/5
Good for dry skin
Butylene Glycol Glycerin Hyaluronic Acid
Caution for dry skin
Glycerin PPG-26-Buteth-26 Polysorbate 60 PEG-40 Hydrogenated Castor Oil Tranexamic Acid
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Tranexamic Acid
Sensitive Skin 4/10
Good for sensitive skin
Paeonia Suffruticosa Root Extract Ascorbyl Glucoside Glycerin Allantoin
Caution for sensitive skin
Glutathione Disodium Phosphate Dipropylene Glycol Butylene Glycol Glycerin Hydroxypropyl Cyclodextrin Tromethamine PPG-26-Buteth-26 PEG-40 Hydrogenated Castor Oil Linalool

Ingredients list

27 total
Lower hazard (1) Higher hazard (5)
All27 Skin Conditioning15 Fragrance10 Solvent6 Masking6 Emulsion Stabilising5 Viscosity Controlling5 Hair Conditioning4 Humectant4
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
Methylpropanediol
(Solvent)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
1
A
1,2-Hexanediol
(Solvent)
1
A
Butylene Glycol
(Fragrance, Skin Conditioning, Solvent, Viscositydecreasing Agent, Humectant, Masking, Viscosity Controlling)
Good for Dry Skin
Good for Dry Skin
1
A
Carbomer
(Emulsion Stabilising, Viscosity Increasing Agent, Gel Forming, Viscosity Controlling)
2
A
Tromethamine
(Fragrance, Ph Adjuster, Buffering Agent, Masking)
1
A
Panthenol
(Antistatic Agent, Hair Conditioning, Skin Conditioning)
Good for Dry Skin
Good for Dry Skin
Hamamelis Virginiana Water
(Astringent, Hair Conditioning, Skin Conditioning, Soothing)
2
A
PPG-26-Buteth-26
(Fragrance, Hair Conditioning, Skin Conditioning, Emulsifying, Surfactant)
1
A
Hydroxyethylcellulose
(Binding Agent, Emulsion Stabilising, Film Forming, Viscosity Increasing Agent, Binding, Stabilising, Viscosity Controlling)
3
B
PEG-40 Hydrogenated Castor Oil
(Fragrance, Emulsifying, Surfactant, Perfuming)
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
Disodium EDTA
(Chelating Agent, Viscosity Controlling)
lavandula angustifolia oil
(Fragrance, Tonic)
1
Ascorbyl Glucoside
(Antioxidant)
1
A
Hyaluronic Acid
(Skin Conditioning, Viscosity Increasing Agent, Antistatic Agent, Humectant, Moisturising)
Tranexamic Acid
(Cosmetic Astringent, Skin Conditioning)
1
Paeonia Suffruticosa Root Extract
(Skin Protecting)
1
A
Ethylhexylglycerin
(Deodorant, Skin Conditioning)
3
B
Polysorbate 60
(Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
B
Disodium Phosphate
(Buffering Agent, Anticorrosive, Fragrance, Ph Adjuster, Masking)
1
B
Sodium Phosphate
(Buffering Agent)
1
A
Hydroxypropyl Cyclodextrin
(Chelating Agent, Emulsion Stabilising, Masking, Skin Conditioning)
1
Glutathione
(Fragrance, Reducing)
5
Linalool
(Fragrance, Deodorant, Masking)
Allergens
Allergens

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
Butylene Glycol
Skin Conditioning, Humectant
Panthenol
Skin Conditioning
Hamamelis Virginiana Water
Astringent, Skin Conditioning
PPG-26-Buteth-26
Skin Conditioning
Allantoin
Skin Conditioning, Skin Protecting

Benefits

Good for oily/acne-prone skin

Concerns

Contains eu allergen
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
Methylpropanediol
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
1,2-Hexanediol
Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Solvent
Carbomer
Emulsion stabilising, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Emulsion stabilisingViscosity increasing agentGel formingViscosity controlling
Tromethamine
Fragrance, Ph adjuster
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A FragrancePh adjusterBuffering agentMasking
Hamamelis Virginiana Water
Astringent, Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A AstringentHair conditioningSkin conditioningSoothing
PPG-26-Buteth-26
Fragrance, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A FragranceHair conditioningSkin conditioningEmulsifyingSurfactant
Hydroxyethylcellulose
Binding agent, Emulsion stabilising
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Binding agentEmulsion stabilisingFilm formingViscosity increasing agentBindingStabilisingViscosity controlling
Disodium EDTA
Chelating agent, Viscosity controlling
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Chelating agentViscosity controlling
lavandula angustifolia oil
Fragrance, Tonic
Limited public safety data.Read moreShow less
EWG N/A FragranceTonic
Ascorbyl Glucoside
Antioxidant
Low-hazard ingredient.Read moreShow less
EWG 1 Antioxidant
Hyaluronic Acid
Skin conditioning, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Skin conditioningViscosity increasing agentAntistatic agentHumectantMoisturising
Tranexamic Acid
Cosmetic astringent, Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Cosmetic astringentSkin conditioning
Paeonia Suffruticosa Root Extract
Skin protecting
Low-hazard ingredient.Read moreShow less
EWG 1 Skin protecting
+ 5 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
Panthenol
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A Antistatic agentHair conditioningSkin conditioning 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
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
Polysorbate 60
Emulsifying, Surfactant
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B EmulsifyingSurfactant Fungal-acne trigger
Linalool
Fragrance, Deodorant
Moderate-hazard ingredient.Read moreShow less
EWG 5 FragranceDeodorantMasking Allergens

How to use

How to use

  • 1 Morning works well: Antioxidants like vitamin C pair well with daytime use under sunscreen.

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.

Ascorbyl Glucoside

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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