Redken Acidic Bonding Concentrate Shampoo is Redken\'s most concentrated all-in-one formula for all hair types and textures. This ultra-rich and luxurious shampoo provides intense conditioning, reduced breakage and color fade protection. Featuring Citric Acid, an alpha hydroxy acid within our concentrated bonding care complex that helps to protect weak bonds and helps to improve hairs strength and resiliency after a bleach or color services. This pH-balancing shampoo is specifically formulated with an acidic pH to defend against the negative effects of hair coloring, lightening and heat styling. The result? Hair that looks and feels healthy! Key Benefits: • Up to 56% breakage reduction* • Helps protect from color fade • Intense conditioning • Up to 230 degrees heat protection • Conditions to help protect weak bonds • Up to 11x Smoother** • Up to 78% of split ends appear reduced*** • Tames Frizz • Adds Shine • Helps protect hair strength *Brushing test. Acidic Bonding Concentrate Shampoo, Conditioner and Leave-in Treatment vs classic shampoo on bleached hair. **Acidic Bonding Concentrate Shampoo, Conditioner and Leave-in Treatment vs classic shampoo on bleached hair. ***Visual grading with Acidic Perfecting Concentrate leave in Treatment.