Acidic Bonding Concentrate Sulphate-Free Shampoo is Redken's most concentrated all-in-one formula for building resilience for all types of damaged hair. Its sulfate-free and ultra-rich formula exceptionally reinforces hair resilience, deeply conditions and protects against color fading.

The shampoo's concentrated repair complex contains citric acid to help strengthen weakened hair bonds to make hair stronger. The acidic pH formula balances the pH of hair to protect it from the damaging effects of coloring, styling devices and even water. Results? The hair looks and feels healthy!