Thoroughly cleanse the hair and scalp for thicker, fuller-looking hair with Nioxin's System 3 Cleanser designed for coloured hair with light thinning. The purifying formula helps remove excess sebum, fatty acids and other environmental residue from the scalp without drying the hair. Salicylic acid, peppermint oil and niacinamide combine to renew and replenish the scalp, helping to set the foundations for healthy hair growth. Colour-safe formula.