From Hairmax, the lasercomb features: Regrow fuller, healthier hair with the Ultima 12 Hair Growth LaserComb. This home-use medical device delivers therapeutic laser light to your hair follicles to treat hair loss, reverse thinning, restore your hair growth cycle, increase density & fullness and revitalize damaged hair.  What it does: Energizes hair follicles Stimulates hair growth Reverses thinning hair Restores hair growth cycle Increases density & fullness Revitalizes damaged hair Who it’s for: For Women and Men with Pattern Hair Loss, Androgenetic alopecia, Thinning Hair, Aging Hair, Menopause/Hormonal Hair Loss, Hereditary Hair Loss. How to use it: Glide over your scalp very slowly in a combing motion, moving it about 1/2-inch every four seconds. Treatment takes just about 8 minutes, three days per week. Use with Hairmax Shampoo, Conditioner and Scalp Treatments to maximize hair growth & health. Special Stats: Clinically Proven Technology with 93% success rate  12 Medical grade lasers  FDA Cleared for men & women Results in as little as 3 months Fast 8 minute treatment time, 3x weekly Lighted display to track your treatment time Patented hair parting teeth maximizes laser light delivery to your hair follicles Target thinning areas or use for full scalp coverage Drug Free Treatment. No Harmful Side Effects. Hairmax® Laser Devices are indicated to promote hair growth in males with Androgenetic alopecia who have Norwood-Hamilton Classifications of Ila - V, and in females with Androgenetic alopecia who have Ludwig (Savin) Classifications I - II or frontal patterns of hair loss and who both have Fitzpatrick Skin Types I - IV. Technology proven safe and effective in 7 clinical studies. Users experienced average increase in hair count of 129 additional hairs per sq. inch.