LED Hair Strengthening Scalp Massager FAQTM 301 uses the proven power of red LED light and T-SonicTM massage. The device strengthens thinning, lifeless strands, by stimulating the scalp and revitalizing follicles. Specifically designed to work with liquid hair treatments, FAQTM 301 enhances the absorption of ingredients like Minoxidil, so they can penetrate deep into the hair follicle - where they work best.