Products are split into three levels based on ingredient labels
OUAI
Leave-In Conditioner
Last verified: April 7, 2026
OUAI Leave In Conditioner
- Water (Aqua, Eau)
- Cyclopentasiloxane
- Cetearyl Alcohol
- Parfum (Fragrance)
- Quaternium-91
- Adansonia Digitata Seed Oil
- Argania Spinosa Kernel Oil
- Oenothera Biennis (Evening Primrose) Oil
- Tocopheryl Acetate
- Hydrolyzed Rhodophyceae Extract
- Tamarindus Indica Extract
- Panthenol
- Cetearamidoethyldiethonium Succinoyl Hydrolyzed Pea Protein
- Arginine
- Aspartic Acid
- PCA
- Glycine
- Alanine
- Serine
- Valine
- Isoleucine
- Proline
- Threonine
- Sodium Hyaluronate
- Histidine
- Brassica Campestris/Aleurites Fordi Oil Copolymer
- Cetrimonium Chloride
- Glycerin
- Dipropylene Glycol
- Polysilicone-29
- Behentrimonium Chloride
- Myristyl Myristate
- Silicone Quaternium-16
- Leuconostoc/Radish Root Ferment Filtrate
- Butylene Glycol
- Undeceth-11
- Butyloctanol
- Guar Hydroxypropyltrimonium Chloride
- Undeceth-5
- 3-O-Ethyl Ascorbic Acid
- Sodium PCA
- Sodium Lactate
- Phenylalanine
- Disodium EDTA
- Citric Acid
- Iodopropynyl Butylcarbamate
- Acetic Acid
- Isopropyl Alcohol
- Tocopherol
- BHT
- Glycolic Acid
- Sodium Hydroxide
- Phenoxyethanol
- Alpha-Isomethyl Ionone
- Limonene
- Geraniol
- Hydroxycitronellal
- Linalool
- Citronellol
- Cinnamyl Alcohol
- Citral
Why This Product is Rated STOP
Leave-In Conditioner by OUAI has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.
We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.
Frequently Asked Questions
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