Redken - Color Extend Shampoo: "Why It Works:
> Provides maximum color security
> Fights the four causes of color change: environmental aggressors, poor cuticle condition, coloraltering minerals, water attack
> Helps shield, stabilize and secure color intensity
> Leaves color-treated hair smooth, manageable and radiant
> Gently cleanses and protects
> Secures color vibrancy
> Leaves hair shiny, manageable and refreshed"