Handheld RF and EMS Hair Hair Regrowth DeviceHandheld Rf and EMS Hair Regrowth DeviceThis handheld device combines RF, LED and EMS technology to promote hair growth and healthy scalp circulation. RF device effectively stimulates the scalp and induces hair growth by triggering growth factor production. The RF (Radio Frequency) can help to accelerate blood circulation on the forehead by 20 30% and top of the head by 40 60%. Based on that, RF can help oxygen and nutrition lead to hair follicles,