Rebuild damaged, weak hair bonds with our EverPure Bonding Hair Care System. Made with citric acid to repair and strengthen for healthier and smoother hair. When hair is colored, bleached and damaged it can become weak on the inside and out. EverPure Bond Repair Shampoo and Conditioner system with citric acid penetrates inside the hair cortex to help rebuild weak hair bonds. Repairs hair's strength in just one use with system. Scientifically tested to strengthen hair and reduce breakage. For smoother hair than with the number one prestige routine*. *On wet (damaged) hair in instrumental test. Leading prestige routine based on NPD full year data.