Nioxin System 3 Cleanser Shampoo for Coloured Hair with Light Thinning Nioxin’s cleanser shampoo system 3 for coloured hair with Light thinning is the first step of a three part Nioxin regimen, specially formulated to strengthen the hair and amplify hair structure. It prepares hair and scalp for a complete hair thickening treatment with Nioxin’s three part System 3. This professional derma-purifying Cleanser Shampoo removes dirt, excessive oil and other environmental residues from the scalp and hair. Features Prepares hair and scalp for a complete hair thickening treatment. Specially formulated to strengthen the hair and amplify hair structure. Helps remove dirt, excessive oil and other environmental residues from scalp and hair Peppermint oil refreshes your scalp from first use.