This shampoo cleanses, strengthens & restores damaged hair & helps to prevent future hair breakage. Extreme Shampoo is formulated with Redken's Strength Complex which contains Amino Acids & Arginine to strengthen & fortify the hair & Citric Acid to condition & add smoothness. Manage & treat your clients dry, damaged hair like a pro with the complete Extreme hair care system. BENEFITS: Cleanses, strengthens hair & restores shine. Helps fortify weakened areas of the hair.