A rich hair-strengthening shampoo for damaged hair and split ends.            
Toughen up damaged hair starting in the shower with Redken’s Extreme Shampoo. As it cleanses, its rich, strengthening formula featuring RCT complex repairs damaged hair and split ends, so strands look shiny and healthy.                
Apply daily, if desired, to damp hair. Massage into a lather. Rinse thoroughly. For best results, follow with Extreme Conditioner.