RegrowMD Laser 272 Medical Device works by delivering laser light to the scalp, energising and activating hair follicles to stimulate hair growth. Our innovative BioLight Comfort Design incorporates 272 laser diodes evenly spaced within a flexible, lightweight inner liner. This exclusive feature, allows for focused laser light delivery through openings in liner, providing a direct flow of light energy to optimally reach your hair follicles and regrow your hair.