This award-winning, best-selling leave-in treatment for damaged hair & split ends repairs, strengthens and protects hair shine. It fortifies hair to reduce breakage, split ends and mechanical damage to hair from brushing. Provides heat protection. Fortifies and smooths the cuticle to reduce breakage and split ends. Reduces breakage by 75%* 5 in 1 damage protection power against: chemical damage, heat damage from hot hairstyling tools, mechanical damage, surface damage, and hair breakage *With the use of Extreme Shampoo, Conditioner and Anti-Snap.