Instantly fuller-looking strands with lightweight thickening and breakage protection ☁️. Nioxin Diamax is a lightweight thickening serum designed to make individual strands look and feel more substantial. It helps boost hair diameter for instant fullness while supporting stronger, more resilient hair against breakage, leaving the finished style thicker-looking, touchable and easier to manage.

Why you'll love it
Instantly fuller-looking strands with lightweight thickening and breakage protection
Adds a focused leave-in step to the scalp and hair routine
Designed for focused, professional-quality at-home care
Fits easily into a consistent Nioxin at-home routine

How to use: Apply to the scalp or targeted areas as directed, massage gently and do not rinse.