Strengthen and protect damaged hair with Nioxin’s 3D Intensive Deep Protect Density Mask. This professional thinning hair treatment with Densiprotect technology deeply conditions dry or colored hair. It provides maximum protection and strengthens the hair shaft against damage, reducing breakage. Lightweight density-protect Nioxin hair mask delivers manageability and smoothness to the hair. Provides hair density protection with up to 97% reduction of hair breakage* *Based on hair length of 12 inch/30cm, measured by weight of broken hair vs. non-conditioning shampoo.