The only at-home FDA-cleared (Class II) medical device to treat certain types of hereditary hair loss and promote hair growth in men and women, the HAIRMAX LaserComb is a breakthrough device in hair growth with patented teeth technology that separates hair for maximum treatment results.Clinically proven and doctor recommended, over 93% of participants in clinical studies experienced significant new hair growth. LaserComb provides low-level laser light energy that stimulates hair follicles at a cellular level to promote new growth. With consistent use, most users see benefits in 16 to 26 weeks.How to use: Eight minutes per treatment, three days per week. Place the LaserComb on your scalp and leave it in one spot for four seconds. The convenient beeping, vibrating timer will let you know when to move it to the next spot.Package includes LaserComb, battery charger stand, worldwide power adapter, user manual and quick-start guide. Brand: MaxHair LaserComb. Style Name:Hairmax 'Lasercomb Professional' Hair Growth Device. Style Number: 546996. Available in stores.