12D Frozen HIFU-Painless The HIFU cooling system reduces the surface temperature of the probe to ❄-10~10℃, the epidermis is cooled and protected, and at the same time, the ultrasonic wave is precisely focused on the specific target of the subcutaneous tissue. crush and dissolve fat cells stimulate collagen regeneration effectively improve and firm the skin Cooling technology is the unique feature of this machine. Due to the existence of cooling technology, the pain of customers can be relieved to a great extent, and painless treatment can be achieved.