Redken Color Extend Injection Blonde Cast Color Charged Conditioner 5 oz - - Extend the life of color-treated hair by fighting the four causes of color change. Redken Color Extend offers maximum color security. Environmental aggressors, poor cuticle condition, color-altering minerals and water can attack haircolor, causing it to fade and dull. Through Redken's exclusive Interbond Conditioning System and a powerful Protective Complex, Color Extend helps shield, stabilize and secure color intensity. It's full spectrum protection that keeps color-treated hair smooth, manageable and radiant.