Redken Acidic Bonding Concentrate Sulfate-Free Shampoo is Redken's most concentrated all-in-one formula for strength repair for all types of damaged hair. This ultra-rich and luxurious sulfate-free shampoo provides ultimate strength repair, intense conditioning and color fade protection. Featuring Citric Acid, this shampoo contains a concentrated bonding care complex that reinforces weakened bonds within your hair to improve hair strength. This pH-balancing shampoo is specifically formulated with an acidic pH to defend against the negative effects of hair coloring, styling tools, and even water. The result? Hair that looks and feels healthy! 56% less breakage 82% less visible split ends 11x smoother hair pH balancing For all hair types and textures Ultimate repair, intense conditioning, and color fade protection Citric Acid, an alpha hydroxy acid, which helps reinforce weakened bonds in the hair Redken Acidic Bonding Concentrate Sulfate-Free Conditioner is Redken's most concentrated all-in-one formula for strength repair for all types of damaged hair. This ultra-rich and luxurious sulfate-free conditioner provides ultimate strength repair, intense conditioning and hair color fade protection. price is for set. 1Liter Shampoo/1 liter conditioner. Brand New.