Nioxin System 6 helps you achieve noticeably smoother and denser looking hair. Ideal for bleached/chemically treated hair with progressed thinning. Provides clean and smooth hair. Design house: Nioxin. Series: System 6 Kit. Gender: Unisex. Category: Hair Care. SubType: Shampoos & Conditioners. Beauty group: Hair. Size: 3 oz. Barcode: 3614226779359. System 6 Kit by Nioxin for Unisex - 3 Pc Kit 2 x 10.1oz Shampoo and Conditioner, 3.38oz Treatment. This item is only valid for shipment in the Contiguous United States.