ouai Fine Hair Shampoo
ouai Ouai Fine Hair Shampoo lists 36 ingredients on its label, 31 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.
Ingredients overview
Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.
Ingredients are listed in label order; the order reflects the label only, not exact concentrations.
- Water/Aqua/Eau
- Sodium C14-16 Olefin Sulfonate
- Cocamidopropyl Betaine
- Sodium Methyl Cocoyl Taurate
- PEG-200 Hydrogenated Glyceryl Palmate
- Cocamide MIPA
- Fragrance/Parfum
- Panthenol
- Cocoglucosides Hydroxypropyltrimonium Chloride
- Hydrolyzed Keratin
- Biotin
- Salvia Hispanica Seed Oil
- Cetrimonium Chloride
- Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
- Glycerin
- Sodium Lauroyl Glycinate
- PEG-150 Distearate
- Propoxytetramethyl Piperidinyl Dimethicone
- Trideceth-6
- C11-15 Pareth-7
- PEG-7 Glyceryl Cocoate
- Sodium Chloride
- Polyquaternium-7
- Disodium EDTA
- Citric Acid
- Sodium Hydroxide
- Tetrasodium EDTA
- Potassium Sorbate
- Sodium Benzoate
- Phenoxyethanol
- Benzyl Alcohol
- Acetic Acid
- Sodium Acetate
- Benzyl Salicylate
- Limonene
- Hexyl Cinnamal
Highlights
Free of parabensFree of siliconesFree of mineral oilFree of formaldehyde releasersContains sulfatesContains PEGContains EU-26 allergensContains fragranceContains animal-derivedContains essential oilsContains alcohol
Formulation view A shampoo blending sulfate and amino acid surfactants for balance. It incorporates hydrolyzed keratin and panthenol for repair, paired with cationic conditioning agents and chia seed oil for slip and nutrition. The formula includes fragrance and volatile silicones for easy rinsing. Best for fine, limp hair seeking volume and basic maintenance.
Key ingredients
- 溶剂
- Water/Aqua/Eau
- CLEANSING
- Sodium C14-16 Olefin SulfonatePEG-200 Hydrogenated Glyceryl Palmate
- ANTISTATIC
- Cocamidopropyl BetainePanthenol
- SURFACTANT - CLEANSING
- Sodium Methyl Cocoyl Taurate
- SURFACTANT - EMULSIFYING
- Cocamide MIPA
- 香精
- Fragrance/Parfum
Other ingredients
Cocoglucosides Hydroxypropyltrimonium ChlorideHydrolyzed KeratinBiotinSalvia Hispanica Seed OilCetrimonium ChlorideHydroxypropyl Guar Hydroxypropyltrimonium ChlorideGlycerinSodium Lauroyl GlycinatePEG-150 DistearatePropoxytetramethyl Piperidinyl DimethiconeTrideceth-6C11-15 Pareth-7PEG-7 Glyceryl CocoateSodium ChloridePolyquaternium-7Disodium EDTACitric AcidSodium HydroxideTetrasodium EDTAPotassium SorbateSodium BenzoatePhenoxyethanolBenzyl AlcoholAcetic AcidSodium AcetateBenzyl SalicylateLimoneneHexyl Cinnamal
Skim through
| Ingredient | What it does | Irr. · Com. | Rating |
|---|---|---|---|
| Water/Aqua/Eau | 溶剂 | 0 · 0 | Green |
| Sodium C14-16 Olefin Sulfonate | CLEANSING, FOAMING, SURFACTANT - CLEANSING | 3 · 0 | Green |
| Cocamidopropyl Betaine | ANTISTATIC, CLEANSING, SURFACTANT - FOAM BOOSTING, HAIR CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING, SKIN CONDITIONING - MISCELLANEOUS | 0 · 0 | Green |
| Sodium Methyl Cocoyl Taurate | SURFACTANT - CLEANSING | 0 · 0 | Green |
| PEG-200 Hydrogenated Glyceryl Palmate | CLEANSING, SURFACTANT - EMULSIFYING, SOLVENT, SURFACTANT - CLEANSING | 0 · 0 | Green |
| Cocamide MIPA | SURFACTANT - EMULSIFYING, EMULSION STABILISING, SURFACTANT - FOAM BOOSTING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 1 · 0 | Green |
| Fragrance/Parfum | 香精 | 1 · – | Yellow |
| Panthenol | ANTISTATIC, HAIR CONDITIONING, SKIN CONDITIONING | 0 · 0 | Green |
| Cocoglucosides Hydroxypropyltrimonium Chloride | Not decoded yet | — | — |
| Hydrolyzed Keratin | ANTISTATIC, FILM FORMING, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING | 0 · – | Green |
| Biotin | HAIR CONDITIONING, SKIN CONDITIONING - MISCELLANEOUS | — | Green |
| Salvia Hispanica Seed Oil | MOISTURISING, SKIN CONDITIONING | 0 · 0 | Green |
| Cetrimonium Chloride | ANTIMICROBIAL, ANTISTATIC, SURFACTANT - EMULSIFYING, PRESERVATIVE · 限制 V/44 | 2 · 0 | Yellow |
| Hydroxypropyl Guar Hydroxypropyltrimonium Chloride | ANTISTATIC, HAIR CONDITIONING | 0 · 0 | Green |
| Glycerin | DENATURANT, HAIR CONDITIONING, HUMECTANT, ORAL CARE, SKIN PROTECTING, SOLVENT, VISCOSITY CONTROLLING, PERFUMING, FRAGRANCE, SKIN CONDITIONING - HUMECTANT | 0 · 0 | Green |
| Sodium Lauroyl Glycinate | CLEANSING, SURFACTANT - CLEANSING | 0 · 0 | Green |
| PEG-150 Distearate | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING | 0 · 1 | Green |
| Propoxytetramethyl Piperidinyl Dimethicone | Not decoded yet | — | — |
| Trideceth-6 | Not decoded yet | — | — |
| C11-15 Pareth-7 | Not decoded yet | — | — |
| PEG-7 Glyceryl Cocoate | SURFACTANT - EMULSIFYING, SURFACTANT - CLEANSING | 0 · 0 | Green |
| Sodium Chloride | BULKING, FRAGRANCE, ORAL CARE, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Polyquaternium-7 | Not decoded yet | — | — |
| Disodium EDTA | CHELATING, VISCOSITY CONTROLLING | 0 · 0 | Green |
| Citric Acid | BUFFERING, CHELATING, FRAGRANCE | 1 · 0 | Green |
| Sodium Hydroxide | BUFFERING, DENATURANT · 限制 III/15a | 3 · – | Green |
| Tetrasodium EDTA | CHELATING | 0 · 0 | Green |
| Potassium Sorbate | FRAGRANCE, PRESERVATIVE · 限制 V/4 | 0 · – | Yellow |
| Sodium Benzoate | ANTICORROSIVE, FRAGRANCE, PRESERVATIVE · 限制 V/1 | 0 · – | Yellow |
| Phenoxyethanol | ANTIMICROBIAL, PRESERVATIVE · 限制 V/29 | 1 · 0 | Yellow |
| Benzyl Alcohol | PRESERVATIVE, SOLVENT, VISCOSITY CONTROLLING, PERFUMING · 限制 III/45 and V/34 | 1 · 0 | Yellow |
| Acetic Acid | BUFFERING, FRAGRANCE | 4 · 0 | Green |
| Sodium Acetate | BUFFERING, FRAGRANCE | 0 · – | Green |
| Benzyl Salicylate | PERFUMING, LIGHT STABILIZER · 限制 III/75 | 0 · – | Yellow |
| Limonene | DEODORANT, SOLVENT, PERFUMING · 限制 III/88 III/167 III/168 | 1 · – | Yellow |
| Hexyl Cinnamal | PERFUMING · 限制 III/87 | 1 · 0 | Yellow |
Ingredients explained
- Water/Aqua/Eau
- Primary aqueous solvent and carrier; no specific incompatibilities, focus on microbial stability.
- Sodium C14-16 Olefin Sulfonate
- Sulfate surfactant at 1–5%; strong cleansing, may cause dryness/irritation
- Cocamidopropyl Betaine
- Cocamidopropyl betaine; zwitterionic co-surfactant reducing irritation and boosting foam, common in mild cleansers.
- Sodium Methyl Cocoyl Taurate
- Amino acid based mild surfactant, soft lather; cleaning power increases with salt but may dry out.
- PEG-200 Hydrogenated Glyceryl Palmate
- High MW PEG derivative for cleansing; water-soluble, smooth feel.
- Cocamide MIPA
- Cocamide MIPA; mild surfactant for foam boosting and viscosity; potential sensitizer at high concentrations
- Fragrance/Parfum
- Fragrance mixture for odor; complex composition with potential allergens, use with caution in sensitive or children's products.
- Panthenol
- Panthenol (vitamin B5) at 1–5%; moisturizing and reparative, supports barrier recovery
- Cocoglucosides Hydroxypropyltrimonium Chloride
- Not decoded yet
- Hydrolyzed Keratin
- Hydrolyzed keratin; small peptides; barrier repair, humectant, no pub comed data
- Biotin
- Vitamin B7 nutrient claimant; topical effect limited, use at 1-20 ppm.
- Salvia Hispanica Seed Oil
- Chia seed extract rich in omega-3/6; moisturizes and conditions skin, monitor oxidation stability.
- Cetrimonium Chloride
- Cationic surfactant/preservative for conditioning; irritating at high levels, restricted use
- Hydroxypropyl Guar Hydroxypropyltrimonium Chloride
- Cationic guar derivative, conditioner/antistatic; hair/cutaneous use, watch concentration.
- Glycerin
- Workhorse humectant at 3–10%; tacky at high levels, pair with occlusives
- Sodium Lauroyl Glycinate
- Sodium lauroyl glycinate, mild amino acid surfactant with fine foam and non-stripping feel
- PEG-150 Distearate
- Non-ionic emulsifier; PEG-based; mild comedogenic risk.
- Propoxytetramethyl Piperidinyl Dimethicone
- Not decoded yet
- Trideceth-6
- Not decoded yet
- C11-15 Pareth-7
- Not decoded yet
- PEG-7 Glyceryl Cocoate
- PEG-modified nonionic surfactant for emulsification and cleansing; contains PEG, monitor dioxane, low comedogenicity.
- Sodium Chloride
- Salt for gel viscosity control; used as precipitant in soaps
- Polyquaternium-7
- Not decoded yet
- Disodium EDTA
- Chelating agent at 0.05–0.5%; sequesters metal ions for stability, boosts preservative efficacy
- Citric Acid
- Buffer and chelator at 0.1–2%; adjusts pH, may irritate sensitive skin at low pH
- Sodium Hydroxide
- Strong base neutralizer for pH adjustment; handle with extreme care
- Tetrasodium EDTA
- Chelator removing metal ions to enhance antioxidant and preservative efficacy; very low usage, typically 0.05-0.1%, no direct skincare function.
- Potassium Sorbate
- Preservative effective below pH 6; combinable with sodium benzoate
- Sodium Benzoate
- Preservative booster, effective below pH 4.5; combinable with sorbates
- Phenoxyethanol
- Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
- Benzyl Alcohol
- Mild preservative/solvent at 0.5-1.0%; EU allergen (labeling required), irritation risk if concentrated, avoid in infant/highly sensitive skin.
- Acetic Acid
- Provides sourness or buffering; high concentrations are corrosive, pH control is critical in leave-on products
- Sodium Acetate
- Sodium acetate buffer for pH adjustment; sometimes acts as mild fragrance, common in lotions and washes
- Benzyl Salicylate
- UV absorber/light stabilizer, restricted in EU; potential sensitizer, risk assessment needed.
- Limonene
- Natural fragrance solvent, EU allergen; poor photostability
- Hexyl Cinnamal
- Common fragrance component (jasmine/vanilla note); listed EU allergen, requires labeling at >10ppm (leave-on).
Source: full ingredient list published on the product label, collected 2026-09-20. Ratings are our internal reading, not a regulatory conclusion. · Product page
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