As of 2015, the HairMax Advanced 7 Laser Comb has received a 4.3-star rating out of a possible five. This laser comb has the approval of the Federal Drug Administration and is the only product of its kind to receive FDA approval for in-home use.
The HairMax laser comb is clinically proven to treat hair loss, promote hair growth, reverse the thinning process, increase density and revitalize damaged hair. It stimulates hair follicles through photo therapy using laser light energy. It is appropriate for both men and women. Customers who have tried the HairMax laser comb claim that it is easy to use, gentle, effective as well as a good value.