4D hifu high-energy focused ultrasound system has a smaller focus point than other HIFU devices.With more accurately transmits high-energy focused ultrasound energy at 65~75°C to the target skin tissue layer, which results in a thermal coagulation effect without harming surrounding tissues. While stimulating the proliferation of collagen and elastic fibers, it greatly improves the comfort and give you a perfect V face with the skin plump, firm, and elastic.