Take the first step to thicker, fuller-looking hair with Nioxin’s System 1 Cleanser. Formulated with Active renewal technology, this advanced hair and scalp cleanser's lightweight formula is ideal for those with fine, natural and light thinning hair. The non-drying formula combines exfoliating salicylic acid and invigorating peppermint oil to deeply cleanse and purify the hair and scalp, helping to remove excess sebum, fatty acids and other environmental residue.