Diamax treatment for thinning hair increases the thickness of each existing hair strand for fuller-looking hair. Try this thickening hair treatment daily alongside your other Nioxin 3-step hair treatments. Immediately see thicker hair with Diamax thickening hair treatment.

Nioxin Diamax thickening hair treatment delivers visibly thicker-looking hair instantly. The hair becomes manageable, fuller and noticeably thicker after just one use.