Nioxin Diamax Thickening Treatment


$ 38.50

Available To Ship Free

Not Available for 1 Hour Delivery


NIOXIN DiamaxTMis a hair thickening treatment with a fusion of Niacinamide, Panthenol and Caffeine.

DiamaxTM is a leave-on treatment that can be used with the Nioxin 3-part systems for thicker, denser-looking hair.

It is proven to: 

  1. Increase the diameter of each existing hair strand.
  2. Penetrate hair and make it fuller and more manageable.
  3. Strengthen hair resilience against breakage.


  • Apply generously throughout the scalp
  • Massage gently at the hair roots
  • Do not rinse off
  • For exceptional results use daily on wet or dry hair