Arrived very quickly now to know if effective
The brush has and solid, the diodes work well as the two modes, vibrations alone, or vibration + laser.
Laser treatment Comb Stop Hair Loss promotes the of new hair growth
Fast delivery, however, came in one cellophane bag, the box was wrinkled, but the comb was whole. For packing i'll take one star from the service. Everything works as much as it helps until i can say.