Anti-Dandruff Shampoo

Ouai

Where to buy Possibly in stock

About this product

The Ouai Anti-Dandruff Shampoo is a emulsion. Our analysis of its 25 ingredients (19 low-risk) rates it Excellent (96/100). Based on its ingredients, it looks well-suited to oily / acne-prone 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
Emulsion
Ingredients
25
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 2/9
Good for dry skin
Glycerin Polyglyceryl-3 Caprate
Caution for dry skin
Sodium Lauroyl Methyl Isethionate Sodium Methyl Oleoyl Taurate Sodium Cocoyl Isethionate Glycerin Salicylic Acid Polyglyceryl-3 Caprate Sodium C14-16 Olefin Sulfonate Acrylates Copolymer Polysorbate 80
Oily/Acne-Prone Skin 1/0
Good for oily/acne-prone skin
Salicylic Acid
Sensitive Skin 1/5
Good for sensitive skin
Glycerin
Caution for sensitive skin
Dipropylene Glycol Glycerin Salicylic Acid Citric Acid Sodium Benzoate

Ingredients list

25 total
Lower hazard (1) Higher hazard (4)
All25 Hair Conditioning7 Surfactant6 Fragrance6 Skin Conditioning6 Cleansing4 Masking4 Antistatic Agent4 Foam Boosting4
EWG CIR Ingredient Name & Cosmetic Functions Notes
4
B
Salicylic Acid
(Antiacne Agent, Antidandruff Agent, Corn/Callus/Wart Remover, Denaturant, Exfoliant, Fragrance, Hair Conditioning, Skin Conditioning, Keratolytic, Masking, Preservative)
Good for Oily Skin
Good for Oily Skin
Bad for Sensitive Skin
Bad for Sensitive Skin
1
Water
(Solvent)
4
B
Cocamidopropyl Betaine
(Antistatic Agent, Hair Conditioning, Skin Conditioning, Sufactant, Foam Boosting, Viscosity Increasing Agent, Viscosity Controlling)
2
B
Sodium C14-16 Olefin Sulfonate
(Cleansing, Foaming, Surfactant)
Sulfate
Sulfate
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
B
Sodium Lauroyl Methyl Isethionate
(Cleansing, Surfactant)
3
B
Polysorbate 80
(Denaturant, Emulsifying, Surfactant)
Fungal Acne
Fungal Acne Trigger
2
B
Acrylates Copolymer
(Adhesive, Artificial Nail Builder, Binding Agent, Film Forming, Hair Fixing, Suspending Agent Nonsurfactant, Antistatic Agent, Binding)
Propanediol Caprylate
(Skin Conditioning)
3
B
Potassium Hydroxide
(Ph Adjuster, Buffering Agent)
3
A
Sodium Benzoate
(Fragrance, Preservative, Anticorrosive, Masking)
1
B
Sodium Methyl Oleoyl Taurate
(Antistatic Agent, Cleansing, Foaming, Surfactant)
1
B
Sodium Cocoyl Isethionate
(Cleansing, Hair Conditioning, Surfactant)
Fungal Acne
Fungal Acne Trigger
1
Cocamide MIPA
(Foam Boosting, Viscosity Increasing Agent, Emulsifying, Emulsion Stabilising, Viscosity Controlling)
1
Cassia Hydroxypropyltrimonium Chloride
(Antistatic Agent, Hair Conditioning)
Polyquaternium-113
(Hair Conditioning)
2
A
Chlorphenesin
(Cosmetic Biocide, Antimicrobial, Preservative)
2
A
Tetrasodium EDTA
(Chelating Agent)
1
Silicone Quaternium-22
(Hair Conditioning)
1
A
Dipropylene Glycol
(Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling)
Epilobium Angustifolium Flower/Leaf/Stem Extract
(Skin Conditioning)
1
B
Polyglyceryl-3 Caprate
(Skin Conditioning, Emollient, Emulsifying, Surfactant)
3
A
PEG-45M
(Binding Agent, Emulsion Stabilising, Viscosity Increasing Agent)
2
A
Citric Acid
(Chelating Agent, Fragrance, Ph Adjuster, Buffering Agent, Masking)
Bad for Sensitive Skin
Bad for Sensitive Skin
PARFUM
(Fragrance, Perfuming)

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

Salicylic Acid
Exfoliant, Skin Conditioning
Cocamidopropyl Betaine
Skin Conditioning
Glycerin
Humectant, Skin Protecting
Propanediol Caprylate
Skin Conditioning
Epilobium Angustifolium Flower/Leaf/Stem Extract
Skin Conditioning
Polyglyceryl-3 Caprate
Skin Conditioning, Emollient

Benefits

Good for oily/acne-prone skin

Concerns

Contains sulfate
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
Cocamidopropyl Betaine
Antistatic agent, Hair conditioning
Low-to-moderate hazard.Read moreShow less
EWG 4 CIR B Antistatic agentHair conditioningSkin conditioningSufactantFoam boostingViscosity increasing agentViscosity controlling
Sodium Lauroyl Methyl Isethionate
Cleansing, Surfactant
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingSurfactant
Acrylates Copolymer
Adhesive, Artificial nail builder
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B AdhesiveArtificial nail builderBinding agentFilm formingHair fixingSuspending agent -nonsurfactantAntistatic agentBinding
Propanediol Caprylate
Skin conditioning
Limited public safety data.Read moreShow less
EWG N/A Skin conditioning
Potassium Hydroxide
Ph adjuster, Buffering agent
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B Ph adjusterBuffering agent
Sodium Benzoate
Fragrance, Preservative
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR A FragrancePreservativeAnticorrosiveMasking
Sodium Methyl Oleoyl Taurate
Antistatic agent, Cleansing
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B Antistatic agentCleansingFoamingSurfactant
Cocamide MIPA
Foam boosting, Viscosity increasing agent
Low-hazard ingredient.Read moreShow less
EWG 1 Foam boostingViscosity increasing agentEmulsifyingEmulsion stabilisingViscosity controlling
Cassia Hydroxypropyltrimonium Chloride
Antistatic agent, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Antistatic agentHair conditioning
Polyquaternium-113
Hair conditioning
Limited public safety data.Read moreShow less
EWG N/A Hair conditioning
Chlorphenesin
Cosmetic biocide, Antimicrobial
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Cosmetic biocideAntimicrobialPreservative
Tetrasodium EDTA
Chelating agent
Low-hazard ingredient.Read moreShow less
EWG 2 CIR A Chelating agent
Silicone Quaternium-22
Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 Hair conditioning
Dipropylene Glycol
Fragrance, Solvent
Low-hazard ingredient.Read moreShow less
EWG 1 CIR A FragranceSolventViscosity decreasing agentMaskingViscosity controlling
+ 4 more — see the full ingredients list above
Salicylic Acid
Antiacne agent, Antidandruff agent
Skin irritation can occur at high concentrationRead moreShow less
EWG 4 CIR B Antiacne agentAntidandruff agentCorn/callus/wart removerDenaturantExfoliantFragranceHair conditioningSkin conditioningKeratolyticMaskingPreservative Good for Oily SkinBad for Sensitive Skin
Sodium C14-16 Olefin Sulfonate
Cleansing, Foaming
Low-hazard ingredient.Read moreShow less
EWG 2 CIR B CleansingFoamingSurfactant Sulfate
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
Polysorbate 80
Denaturant, Emulsifying
Low-to-moderate hazard.Read moreShow less
EWG 3 CIR B DenaturantEmulsifyingSurfactant Fungal-acne trigger
Sodium Cocoyl Isethionate
Cleansing, Hair conditioning
Low-hazard ingredient.Read moreShow less
EWG 1 CIR B CleansingHair conditioningSurfactant Fungal-acne trigger
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

How to use

How to use

  • 1 Evening, start slow: Best in the PM a few times a week to begin with; avoid layering with other strong actives the same night.
  • 2 Wear SPF the next day: Acids and retinoids increase sun sensitivity — daily sunscreen is a must while using this.

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

Trust & honesty

Officially notified as a cosmetic in Malaysia (NPRA). Government registration record.

Pregnancy & breastfeeding

Contains ingredients some choose to avoid or double-check while pregnant or nursing.

Use with caution
BHA (salicylic) (Salicylic Acid)

Low-strength topical salicylic acid (BHA) is generally considered fine. Caution is usually reserved for high-strength leave-on products and salicylic peels.

This is general information, not medical advice. Pregnancy guidance varies and depends on concentration and your individual situation — always check with your doctor, midwife or pharmacist. How we flag this.

Effective levels — general guide

The concentrations these actives are typically effective at in research — not a measurement of this product.

BHA (salicylic) 0.5–2%

Salicylic acid is OTC-capped at 2%; 0.5–2% is the usual leave-on range. Much below that it acts more as a soothing agent than an exfoliant.

Salicylic Acid

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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