New in box Matrix Mega Sleek 96h Anti-frizz Top Coat Smoothing Serum 1.69 Oz.

Fast-Acting Leave-in Formula: Light and smooth liquid vegan formula, with heat-activated hydrophobic barrier to seal in moisture and resist frizz. Designed to use with all hot tools from blow dryers, straighteners, curling irons, to diffusers with up to 120°F-450°F heat protection. Designed To Work On Your Hair For Up To 5 Shampoos. Hair is instantly smoother, with a vibrant shine!