This Wella Nioxin Cleanser 3 is specifically formulated to address the needs of thinning hair. It works to cleanse the scalp and hair, removing buildup that can clog follicles and impede hair growth. Regular use of this shampoo helps to provide a clean foundation for fuller, thicker-looking hair. It is an essential first step in the Nioxin three-part system designed to deliver denser-looking hair.