Stock up on this innovative hair treatment from Nioxin with this great value double pack. Refresh the scalp and increase hair volume with Nioxin's System 3 Scalp & Hair Treatment for Colored Hair with Light Thinning. Part of the improved 3-Part System Kits that enable women and men to have thicker, fuller hair without ever compromising on colour, the formula features NEW Pro-Shield Technology for enhanced colour protection and colour longevity. The diameter-increasing professional product works to refresh the scalp and deliver healthy shine to hair. Enriched with Transactiv Delivery System 2.0, the volumising leave-on treatment helps provide thicker hair by increasing the fullness of each hair strand. The final step of the 3-part Nioxin treatment, it amplifies hair texture while protecting against breakage.