Transform damaged, colour treated hair with Redken's Acidic Bonding Concentrate Shampoo. This highly concentrated formula has been expertly designed to cleanse, repair, condition and protect hair without drying it out or stripping your colour. Suitable for all hair types and textures, this sulfate-free formula helps to thoroughly cleanse hair, smooth frizz and reduce breakage by reinforcing weakened bonds. The result? Hair that looks and feels incredibly healthy.