Redken's Extreme Anti-Snap Anti-Breakage Leave-In Treatment delivers 5-in-1 damage protection to treat and repair damaged hair. This award-winning and best-selling treatment protects against heat damage, chemical damage, mechanical damage, surface damage, and hair breakage. It has been shown to reduce breakage by up to 75%* by smoothing the cuticle while also deliver shinier, stronger hair. Developed using our exclusive Interbond conditioning system that delivers a unique 3D repair complex containing Proteins, Ceramide, and Lipids, your hair will be internally strengthened and externally protected.