The HairMax LaserComb is the First and Only FDA Cleared home-use medical device that utilizes laser phototherapy to effectively promote hair growth and treat hair loss in men and women. The HairMax LaserComb represents over two decades of research and development culminating in a low level laser therapy medical device that is a safe, effective and easy way to treat your hair loss. HairMax bathes the scalp with nourishing laser light, which infuses the follicles with the energy necessary to stimulate hair growth.