-A purifying shampoo for colored hair with progressed 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 Pro-Shield technology for increased color protection & endurance Glyco-Shield technology removes sebum fatty acids & dirt from scalp & hair-Deeply cleanses scalp & hair to help hair grow thicker & fullerProduct Line: Hair Care