A genius solution to a balding scalp that you can do in your home. Micro-needling is known to boost scalp health, induce stem cells in the follicles, andpromote hair growth product absorption! Not only does The Hair Re-Activating Rollerstimulate protein production for hair follicle rejuvenation, but it alsoprevents future hair loss as you age. FEATURES DIRECTIONS FOR USE PACKAGE INCLUDES