The Nioxin Scalp + Hair Thickening System 1 is specifically formulated for fine, natural, or chemically untreated hair. This comprehensive three-part system targets hair thinning, helping to cleanse the scalp and refresh the hair environment for fuller-looking hair. Use this set to gently remove pore-clogging sebum and fatty acids from the scalp while strengthening the hair shaft for increased density and reduced breakage. It is an essential system for those beginning their journey toward thicker, healthier-looking hair. This set includes a volumizing shampoo, a lightweight conditioner, and a scalp and hair treatment designed to optimize the environment for hair growth and density.