Keratin Complex Color Care Shampoo mildly cleanses hair and gives lasting smoothness to keratin and color treated hair. It is free of sulfates and sodium chloride to protect color treated hair. A three-protein blend minimizes frizz and flyaway for shine and smoothness. Keratin Complex begins with the keratin protein that helps make hair manageable, smooth and youthful-looking. They have created a full, keratin enhanced at home product line that allows anyone to experience the benefits of keratin.Keratin Complex Color Care Shampoo 13.5 Oz