Thickening Spray
1 oz · Hair styling
Lists fragrance, fragrance allergens, essential oils
All 39 ingredients read
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Fragrance-free hair-stylings
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All 39 ingredients
Thickening Spray by Ouai lists 39 ingredients, in label order. Each line says what the ingredient does in the formula.
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aqua
Solvent
polysorbate 20
Emulsifier
vp/va copolymer
amaranthus caudatus seed extract
sodium hyaluronate
Humectant
glycerin
Humectant
ceratonia siliqua seed extract
hydrolyzed soy protein
zea mays starch
polyquaternium-16
hydroxypropylgluconamide
hydroxypropylammonium gluconate
guar hydroxypropyltrimonium chloride
polyquaternium-7
pisum sativum sprout extract
ethylhexylglycerin
Preservative booster
tocopherol
Antioxidant
citric acid
pH adjuster
tartaric acid
trisodium ethylenediamine disuccinate
phenoxyethanol
Preservative
benzyl alcohol
Preservative · fragrance allergen (EU list)
potassium sorbate
Preservative
sodium benzoate
Preservative
parfum
eugenol
limonene
Fragrance allergen (EU list)
linalool
Fragrance allergen (EU list)
tetramethyl acetyloctahydronaphthalenes
eucalyptus globulus oil
citrus aurantium bergamia peel oil
citrus limon peel oil
mentha viridis leaf oil
pinene
carvone
linalyl acetate
lavandula oil / extract
anethole
terpineol
Ingredients: Ouai website · Updated October 21, 2026