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OUAI Thickening Spray

OUAI Thickening Spray

헤어케어

Ingredients

Full ingredient list as published on the official product page, in descending order of content.

Ingredient overview

39ingredients found
33 · 84.6%ingredients grouped by use
7types of use
Hydration6
Skin conditioning11
Moisture retention7
Antioxidants1
Texture · feel8
Preservation · stability4
Fragrance13

Counts show formula structure, not concentration, clinical efficacy, or a safety score.

What the ingredients do

Draws in moisture

Sodium Hyaluronate · Glycerin · Hydrolyzed Soy Protein · Hydroxypropylgluconamide · Hydroxypropylammonium Gluconate

Pulls water from the air and the layers below into the outer skin layer.
See the 2 declared functions
Draws moisture into the skinSKIN CONDITIONING - HUMECTANT
Glycerin
Skin conditioning

Amaranthus Caudatus Seed Extract · Sodium Hyaluronate · Ceratonia Siliqua (Carob) Seed Extract · Hydrolyzed Soy Protein · Guar Hydroxypropyltrimonium Chloride · Pisum Sativum Sprout Extract · Ethylhexylglycerin · Tocopherol · Tetramethyl Acetyloctahydronaphthalenes · Citrus Limon Peel Oil · Mentha Viridis Leaf Oil

CosIng's broadest category. On its own it does not say what the ingredient does.
See the 2 declared functions
Skin conditioning not covered aboveSKIN CONDITIONING - MISCELLANEOUS
Tocopherol · Tetramethyl Acetyloctahydronaphthalenes
Keeps moisture in

Vp/Va Copolymer · Glycerin · Zea Mays (Corn) Starch · Polyquaternium-16 · Guar Hydroxypropyltrimonium Chloride · Polyquaternium-7 · Tocopherol

Forms a film on the surface against evaporation and outside irritants.
See the 3 declared functions
Leaves a thin film where appliedFILM FORMING
Vp/Va Copolymer · Polyquaternium-16 · Guar Hydroxypropyltrimonium Chloride · Polyquaternium-7
Protects skin from outside irritantsSKIN PROTECTING
Glycerin · Zea Mays (Corn) Starch
Forms a film that stops moisture lossSKIN CONDITIONING - OCCLUSIVE
Tocopherol
Slows oxidation

Tocopherol

In CosIng this category also covers keeping the product itself from spoiling.
See the 1 declared functions
Slows spoilage by oxygenANTIOXIDANT
Tocopherol
Exfoliates

Zea Mays (Corn) Starch

See the 1 declared functions
Scrubs physicallyABRASIVE
Zea Mays (Corn) Starch
Acts on oil and pores

Mentha Viridis Leaf Oil

See the 1 declared functions
Gives a tightening feelASTRINGENT
Mentha Viridis Leaf Oil
Cleanses

Polysorbate 20

See the 1 declared functions
Surfactant that lifts dirtSURFACTANT - CLEANSING
Polysorbate 20
Mixes oil and water

Polysorbate 20

Emulsifiers and solubilisers. They build the formula.
See the 1 declared functions
Mixes and holds oil and water togetherSURFACTANT - EMULSIFYING
Polysorbate 20
Texture and feel

Vp/Va Copolymer · Glycerin · Zea Mays (Corn) Starch · Guar Hydroxypropyltrimonium Chloride · Benzyl Alcohol · Limonene · Pinene

Viscosity, solvents and spreadability: how the product feels on the skin.
See the 7 declared functions
Base that dissolves other ingredientsSOLVENT
Glycerin · Benzyl Alcohol · Limonene
Holds powders togetherBINDING
Vp/Va Copolymer · Zea Mays (Corn) Starch
Stops powders from cakingANTICAKING
Zea Mays (Corn) Starch
Adds bulkBULKING
Zea Mays (Corn) Starch
Absorbs water or oilABSORBENT
Zea Mays (Corn) Starch
Removes unwanted foamANTIFOAMING
Pinene
Colour and shine

Zea Mays (Corn) Starch

See the 1 declared functions
Makes a clear formula opaqueOPACIFYING
Zea Mays (Corn) Starch
Keeps microbes from growing

Phenoxyethanol · Benzyl Alcohol · Potassium Sorbate · Sodium Benzoate

See the 2 declared functions
Stops microbes growing in the productPRESERVATIVE
Phenoxyethanol · Benzyl Alcohol · Potassium Sorbate · Sodium Benzoate
Inhibits microbial growthANTIMICROBIAL
Phenoxyethanol
Keeps the product stable

Glycerin · Citric Acid · Tartaric Acid · Trisodium Ethylenediamine Disuccinate · Sodium Benzoate · Eugenol · Anethole

Protects the formula from pH drift, metal ions and light. Not a preservative.
See the 4 declared functions
Makes alcohol undrinkableDENATURANT
Glycerin · Eugenol · Anethole
Keeps pH steadyBUFFERING
Citric Acid · Tartaric Acid
Binds metal ions to prevent spoilageCHELATING
Citric Acid · Trisodium Ethylenediamine Disuccinate
Prevents corrosion of packaging and equipmentANTICORROSIVE
Sodium Benzoate
Fragrance-related

Glycerin · Benzyl Alcohol · Eugenol · Limonene · Linalool · Tetramethyl Acetyloctahydronaphthalenes · Eucalyptus Globulus Oil · Citrus Aurantium Bergamia Peel Oil · Citrus Limon Peel Oil · Carvone · Linalyl Acetate · Lavandula Oil / Extract · Terpineol

See the 3 declared functions
Listed as a fragrance-composition material (not a claim that it adds scent)FRAGRANCE
Eucalyptus Globulus Oil · Linalyl Acetate · Lavandula Oil / Extract
Adds flavour (lip and oral products)FLAVOURING
Carvone
See 39 other ingredients · 39 total

Declared fragrance allergens

The label marks these as fragrance allergens that must be declared. They are not impurities, and most people do not react to them.

Benzyl Alcohol · Eugenol · Limonene · Linalool

1IngredientsOverseas official store (US) · Observed 2026-09-23