A purifying shampoo for colored hair with light thinning  Works as the first hair care step of the 3-Part treatment  Helps strengthen hair structure to prepare scalp & hair for a full thickening treatment  Contains Glyco-Shield 2.0 technology to remove sebum, fatty acids & dirt from scalp & hair  Deeply cleanses scalp & hair to help hair grow thicker & fuller  Keeps hair color staying brilliant without fading 