Strengthen and protect damaged hair with Nioxin's 3D Intensive Deep Protect Density Mask. This professional thinning hair treatment with DensiPROTECT Technology deeply conditions 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. | Nioxin Deep Protect Density Mask, 5. 07 oz | Dermstore