Redken Colour Extend Shampoo for color-treated hair gently cleanses and protects to leave hair manageable, refreshed, and shiny. This color protecting shampoo improves hair strength to prevent against breakage and protects hair colour from fading. This professional shampoo has Redken's Colour Care Complex which helps lock in hair colour that looks vibrant and radiant with mirror-like shine. This shampoo formula helps protect hair colour intensity by fighting the four causes of hair colour change: environmental aggressors, poor cuticle condition, colour altering minerals, and water. Gently cleanses and strengthens Keeps haircolour radiant with mirror-like shine