This product is low-power household comb massager that is professionally designed for baldhead. It is a new multifunction comb massager that can be easily operated at home. It has magic effect on removing oil stains, growing new hairs and preventing from losing hairs.Principle of hair growthIt adopts technology of infra-red, impulse. It stimulates the deeply-slept hair follicle through eight electronic points, kills attached scalp bacteria, expands capillary vessel, promotes metabolism and obtains effect of hair re-growth.It will gradually recover rejuvenation through physical vibration to massage and promote head blood circulation effectively. Five-row special-made steel columns tease head repeatedly to advance absorbency of hair follicles and fully exert the effect of hair-growth lotions. After its fully absorbency, tenuous new hairs gradually outgrow.