- A mild cleanser that’s specially formulated to give lasting smoothness to keratin-treated and color-treated hair. All hair types, including dry, damaged, color-treated and keratin-treated hair. •Free of sodium chloride and sulfates to protect color-treated hair. •Gently cleanses without stripping color or causing dryness. •Three-protein blend conditions while minimizing frizz and flyaways for healthy looking smoothness and shine. •Helps maintain the results of Keratin Complex® Smoothing Therapy treatments.