The Nioxin System 5 Cleanser Shampoo is specifically formulated for colored hair that is visibly thinning, offering a specialized cleansing experience. This shampoo effectively removes residue, oil, and product buildup that can clog follicles while gently cleansing the scalp and hair strands. It is designed to work as part of the Nioxin three-part system to provide thicker, fuller-looking hair while preserving color vibrancy.