Thinning hair can be a stressful problem especially if you have very fine, thin hair which is notable for being weak and prone to breakage. Nioxin Cleanser System 1 has been specially designed for thin to normal, natural hair. It amplifies the hair texture, strengthening the hair whilst protecting hair from damage and breakage, leaving scalp refreshed and hair with a natural, radiant and healthy shine. Specially designed for colored hair with progressed thinning Developed with Pro-Color Shield to cleanse scalp for better hair follicle health Removes follicle-clogging sebum, fatty acids & environmental residues from scalp & hair Leaves hair clean, thick & full looking