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. A workable, light hold finishing spray to help create fuller-looking effects. Easy to brush out. Recommended for anyone with fine to medium textured hair. LightPlex Technology - For light, flexible effects: This professional technology works both inside and outside hair. Conditioning agents travel into the hair's cortex, retaining hair moisture for longer and protecting hair from environmental damage, while lightweight, flexible polymers wrap around the hair for a balanced style without any stiffness.