With 272 high quality lasers (No LED's), RegrowMD Laser Cap 272 works by delivering laser light to the scalp, energizing 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. The RegrowMD Laser Cap 272 delivers nourishing laser light energy to stimulate hair follicles at a cellular level, reverse thinning process, restore your natural growth cycle and help grow fuller, denser, more vibrant hair.