VALIDATED BY CLINICAL TRIALS: Technology validated by 7 clinical studies, 14 international medical device licenses, and 6 published articles in medical journals. HairMax laser devices are proven to regrow hair with an average hair count increase of 129 additional new hairs per sq. inch. after six months in clinical studies..REGROW FULLER DENSER HAIR: HairMax pioneered the home use of nourishing and therapeutic laser light energy directly targeted to hair follicles to reverse thinning hair, promote hair growth, restore hair growth cycle, increase density & fullness..FAST TREATMENT & LIGHTWEIGHT: Regrow fuller, denser healthier hair. The treatment takes as little as 3 minutes, 3 times a week. Features 41 medical-grade lasers that provide full scalp coverage when applied over 6 sections of the scalp for a total of 246 laser coverage. Hairmax uses medical-grade lasers, NO LEDS. Weighing just 6.4 oz., it's extremely comfortable, portable, designed for home use and travel friendly. Light battery packs allow for easy carrying. Comes with a charging cradle/stand..6-MONTH MONEY-BACK GUARANTEE: We're so confident in the effectiveness of our laser devices, that we back it up with a 6-month money-back guarantee. With our 93% success rate, most Hairmax users see benefits within 4-6 months. Applies to devices delivered within the U.S. only. 10% restocking fee applies. Return requests within 30 days of purchase are processed by Amazon. Returns after 30 days but within 6 months of purchase contact Hairmax directly. Also covered by 1-Year Laser Device Warranty..DOCTOR RECOMMENDED: HairMax technology is clinically proven with 90% success rate, users experience visible results in as little as 3 to 6 months (results vary). Doctors recommend HairMax laser devices to treat Androgenetic alopecia – which includes Hereditary Hair Loss, Male and Female pattern hair loss, menopause related hair loss, and age related hair loss & thinning. Founded in 2000, HairMax is the Global Leader and Pioneer in laser hair growth.