Nioxin Derma Purifying System 4 Cleanser Shampoo (Colored Hair, Progressed Thinning, Color Safe) 300ml 10.1oz Size:300ml 10.1oz quince wax & shea butter Apply with a slightly quince wax & shea butter Incredibly hydrates the eye zone for enhanced softness dry & sensitive skin Free of parabens & chemical filters 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 & fuller