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 Colored Hair with Light Thinning Preparing the scalp and hair for a complete hair thickening treatment, Nioxin's System 3 Cleanser for Colored Hair with Light Thinning features Glyco-Shield 2.0 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.