Crack Leave-In Hair Fix: Created by Salon Stylists, for Salon Stylists. Crack is a unique multi-tasking leave-in treatment and styling aid in one, that instantly and effectively transforms, keratin-depleted, stressed, frizzy, curly hair to a sleek, smooth, healthy, shiny dimension. Highly sophisticated micro proteins and power peptides instantly infuse deep into hair cuticle and encase the hair follicle with a keratinous bond, to promote healing, block the effects of humidity and eliminate up to 95% of frizz and curl, leaving hair smooth, shiny and luxurious Instantly penetrates deep into the hair cortex, to strengthen, repair and protect stressed, dry and mature hair from the inside-out. • Lightweight, Super Moisturizing Hair Fix • Smoothes Split Ends • Protects from UVA/UVB rays and chlorine • Provides barrier from heat and thermal styling • Adds shine and slip without making hair greasy • Keeps hair looking healthy and polished all day