Deeply cleanse the scalp and encourage thicker, fuller-looking hair with Nioxin 3-part System 2 Cleanser Shampoo for Natural Hair with Progressed Thinning. Derma-purifying shampoo removes sebum, fatty acids, and environmental residue from the scalp and hair and prepares them for a complete thickening treatment. Nioxin 3-part System 2 Cleanser Shampoo for Natural Hair with Progressed Thinning prepares the scalp and hair for a complete hair thickening treatment. Thanks to its Active renewal technology, this professional hair product helps to remove sebum, fatty acids, and other environmental residue from the scalp and hair. This derma-purifying shampoo deeply cleanses the scalp and pr s thicker, fuller-looking hair and is the first step of a 3-part treatment designed to strengthen hair and amplify hair structure. Key Features of Nioxin 3-part System 2 Cleanser Shampoo Cleanses and volumises natural hair with progressed thinning Prepares the scalp and hair for a thickening treatment Active renewal technology Removes sebum, fatty acids, and other environmental reside from the scalp and hair Derma-purifying shampoo Pr s thicker, fuller looking hair Step 1 of a 3-step treatment