Get Thick Quick - Instantly boost the appearance of hair thickness and fullness from roots to ends with OUAI's Thickening Spray, perfect for flat or thinning strands. All-Day Volume - Infused with volume polymers, this hair volumizer spray provides long-lasting lift and body without stiffness or crunch. Built-In Heat Protection - Protect your hair from heat damage up to 450°F (232°C) while enhancing your styling routine with added thickness and bounce. How to Use - Mist the Thickening Spray evenly on damp hair from roots to ends before blow-drying. Style as usual for touchable, full-bodied volume that lasts. OUAI Means Yes - In that casual Parisian way. OUAI is about being better IRL. It's about having honest conversations with our community. It's about letting go of unrealistic expectations and embracing your imperfections. Get thick quick with OUAI Thickening Spray, the essential styling solution for thicker & fuller-looking hair instantly. Powered by volume polymers and enriched with amaranth peptide and amino acids, this heat-protectant spray boosts strand diameter for immediate volume and long-lasting body. Designed to deliver all-day volume, it delivers noticeable fullness without stiffness, while helping to repair the hair cuticle and maintain softness. This multitasking volume spray gives you the freedom to style with confidence. Use before blow-drying to help activate its thickening & volumizing effect and safeguard against heat damage up to 450°F.