Laser Comb Devices using the infrared, pulse;laser technology; by eight the stimulated wand of scaple which stimulates the sleeping follicles, kill the scalp attached bacteria, expansion of capillaries, promoting the new supersedes the old., achieve the effect of hair growth.The pulse also can activiate the head skin cells and recall the sleeping follicles with the help of micro current.Through the soft laser ( red and far-red light ) to penetrate the scalp ( hair cells and hair breeds ball ) deep, to accelerate blood circulation, regulate endocrine and improve the hair quality, in addition to suppress shedding, it can make the hair grow back.