Diamax Advanced Hair Thickening Serum

Designed by Nioxin, Diamax Advanced Hair Thickening Serum is a lightweight, leave-in hair serum that targets thinning and limp hair. It smooths strands for fuller-looking volume without heavy residue, suitable for daily use and layered styling. Fragrance-free and formulated for scalp comfort, it’s aimed at people seeking thicker-looking hair and improved manageability.