OUAI Hair Thickening Spray — 6 oz Volumizing Mist for Instant Fuller-Looking Hair, Heat Protection to 450°F

OUAI Hair Thickening Spray is a lightweight volumizing mist that instantly creates the look of thicker, fuller hair while protecting against heat up to 450°F.

Designed for fine, flat, or thinning hair, this six-ounce spray blends volume-building polymers with an amaranth peptide and amino acids to lift roots, add body, and improve manageability without leaving hair stiff. Use it on damp strands before blow-drying to achieve touchable lift and long-lasting bounce that works with everyday styling routines.

How quickly will I see thicker-looking hair?

You’ll notice increased lift and fullness immediately after applying and styling—no waiting for cumulative effects. The spray’s volumizing polymers create instant body while the amaranth peptide and amino acids support hair’s resilient appearance over time.

• Apply evenly to damp hair from roots to ends.
• Blow-dry and style for immediate volume.
• Visible thicker look with every use; improved texture with continued use.

Will it weigh hair down or leave a crunchy feel?

No—formulated to boost volume without stiffness, this mist deposits lightweight polymers that hold lift but remain flexible. Hair stays touchable, bouncy, and free from the hard residue some volumizers leave behind.

• Lightweight spray base preserves natural movement.
• No crunchy or sticky finish when used as directed.
• Works with styling tools and products without compromising softness.

Can it protect against heat styling and environmental stress?

Yes—the Thickening Spray includes built-in heat protection up to 450°F (232°C), helping shield hair during blow-drying and hot-tool styling. The peptide and amino acids also contribute to strengthening and a healthier-looking cuticle over repeated use.

• Heat defense rated to 450°F for safer styling.
• Amaranth peptide and amino acids support hair strength and appearance.
• Use before blow-drying for optimal protection and lift.

How do I use it for best results?

Spritz the mist onto towel-dried hair, concentrating at the roots for maximum lift and distributing through lengths for added texture. Blow-dry while lifting sections at the roots or use a round brush; finish with your preferred styling tools for shape and hold.

• Mist evenly on damp hair from roots to ends.
• Blow-dry while lifting to set volume.
• Style as usual; reapply lightly to dry hair only if needed for extra texture.

Who is this for: OUAI Hair Thickening Spray suits anyone wanting instant visible volume and fuller-looking hair without stiffness—especially people with fine, limp, or thinning strands who style with heat tools. It’s also a good pick for users seeking an everyday spray that combines immediate body with built-in heat protection and strengthening ingredients.

Ingredients

Aqua / Water / Eau, Polysorbate 20, Vp/va Copolymer, Amaranthus Caudatus Seed Extract, Sodium Hyaluronate, Glycerin, Ceratonia Siliqua (carob) Seed Extract, Hydrolyzed Soy Protein, Zea Mays (corn) Starch, Polyquaternium-16, Hydroxypropylgluconamide, Hydroxypropylammonium Gluconate, Guar Hydroxypropyltrimonium Chloride, Polyquaternium-7, Pisum Sativum Sprout Extract, Ethylhexylglycerin, Tocopherol, Citric Acid, Tartaric Acid, Trisodium Ethylenediamine Disuccinate, Phenoxyethanol, Benzyl Alcohol, Potassium Sorbate, Sodium Benzoate, Parfum / Fragrance, Eugenol, Limonene, Linalool, 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."