Stock up on your favourite Nioxin shampoo with this great value double pack. Two 300ml bottles of your favourite Nioxin shampoo from the 3-Part System for Natural Hair with Light Thinning. Preparing the scalp and hair for a complete hair thickening treatment, Nioxin's System 1 Cleanser for Natural Hair with Light Thinning features Active renewal technology to help remove sebum, fatty acids and envrionmental residue from the scalp and hair. The derma-purifying shampoo deeply cleanses the scalp, providing thicker and fuller-looking hair. This is the first step of a 3-part Nioxin treatment, designed to strengthen the hair and amplify hair structure.