WHAT IT IS An innovative approach to the treatment of fine, thinning hair. WHAT IT DOES Intensive Therapy DiaMax Advanced can be used with the Nioxin 3-part systems for fuller, thicker-looking hair. DiaMax Advanced has a high concentration of HTXtrade, a cosmetic Thickening Xtrafusion Treatment with key hair-thickening ingredients like Niacinamide, Panthenol and Caffeine. Scientifically proven to: Deliver visibly thicker-looking hair after one use. Thicken existing hair at the roots. Protect hair against breakage allowing it to grow longer. (when used daily)