REDKEN Acidic Bonding Concentrate Shampoo

A concentrated, sulfate-free shampoo for damaged hair that repairs weakened bonds, restores strength, and smooths the hair surface. Works on all types of damage, from colour and chemical services to heat styling. Powered by the Acidic Bonding Care Complex with citric acid, Arginine, and Soy Protein. The acidic pH helps reinforce weakened bonds and reduces breakage. Regular use delivers smoother, stronger, and more manageable hair over time. Safe for colour-treated and chemically treated hair. Free from sulfates. Part of the Acidic Bonding Concentrate line for a full repair routine. How to use: apply to wet hair, massage into a lather through hair and scalp, then rinse. Follow with Acidic Bonding Concentrate Conditioner. For deeper repair, add the Intensive Pre-Treatment or Leave-in Treatment to the routine.