What it is: A hair thickening leave-in treatment spray for air-dried or blow-dried styles.Who it's for: Ideal for those with fine-to-medium hair types.What it does: The thickening treatment spray provides all-day volume, all-day frizz reduction and heat protection. The leave-in spray even provides protection from heat styling tools.Key ingredients:- Strand-Plumping Technology instantly thickens and plumps each strand- Hydrating blend of wheat proteins and starches help improve body and texture- Brazil nut protein helps condition hairHow to use: Shake the leave-in spray well. Spray throughout damp hair and blow-dry.Pro tips: For big, blown-out styles, start at the roots and evenly distribute product by pressing it in with your hands. After application, blow-dry with a round brush to create extreme lift at the roots. For everyday all-around fullness, spray each section from roots to ends, working it in so it evenly surrounds each strand. Blow-dry using your hands, lifting and overdirecting the hair to create fullness. Once dry, use a large barrel curling iron to define texture and shape. 8.5 oz. Paraben-free; phthalate-free; mineral oil-free; formaldehyde-free; formaldehyde donor-free Cruelty-free Made in the USA