Frizz Block Smoothing Spray creates an impenetrable veil of humidity-blocking, frizz-stopping, moisture-locking mist that protects strands for 72 hours. Created for harsh humid conditions, this alcohol-free, heat-activated spray is the prescription-strength equivalent of traditional anti-frizz sprays. Virtue's proprietary Alpha Keratin 60ku instantly fills and seals cracked cuticles while featherweight polymers and lipids hover above, repelling air-born humidity. This lightweight, milky mist is alcohol free, so it won't create build-up or dry out hair, and it's heat protective up to 450 degrees, leaving hair healthy, silky-soft, and free of frizz for days..Suitable for dry hair types.Vegan and cruelty free.Formulated without sulfates, parabens, phthalates, gluten, synthetic colors and dyes.5 oz.For best results, use Virtue Smooth Shampoo and Conditioner, towel dry hair, and divide into sections..Shake product well and spray liberally and evenly throughout each section..Then, blow-dry hair. Blow-dry heat is required to activate product benefits.