What it is: Powerful, ultra-moisturizing, anti-frizz treatment keeps dry/dehydrated hair and coily/curly hair glassy-smooth, straight and frizz-resistant through 3-4 shampoos.What it does: Award-winning waterproofing technology blocks out humidity + locks in moisture to prevent smooth, straight styles from reverting back to naturally curly or frizzy textureWhat else you need to know: Delivers silky, glassy-smooth, super frizz-resistant styles; Heat-activated formula contains heat protectants; Ultra-light spray feels like nothing is on the hair;