Keratin Complex Smoothing Therapy Keratin Color Care Shampoo 13.5oz was developed to extend the vibrancy of color-treated hair. The sodium chloride- and sulfate-free formula contains mild surfactants that gently remove dirt and buildup without stripping hair color. Extends the vibrancy of color-treated hair. Free of sulfates and sodium chloride. Has Keratin, soy protein, wheat protein.