The New COMFORTFLEX LaserBand 41 is designed for speed, effectiveness, comfort and ease of use. The LaserBand, delivers therapeutic light energy to your hair follicles through 41 medical-grade lasers (No LEDs). Working through the process of photobiostimulation, the LaserBand 41 stimulates hair follicles at a cellular level to promote hair growth, reverse hair thinning, restore your hair's natural growth cycle and help regrow denser, fuller hair!