Redken's Extreme Conditioner strengthens damaged hair, leaving it looking healthy and feeling resilient. This fortifying deep conditioner for dry, damaged hair treats the root, core and tip of the hair. Extreme Conditioner is formulated with Redken's Strength Complex which contains Amino Acids and Arginine to strengthen and fortify the hair, and Citric Acid to balance pH levels. Manage and treat damaged hair like a pro with the complete Extreme shampoo and conditioner haircare system.