personal massager ultrasonic stainless steel scrubber vibrates 28000 times per second, can instant decomposition the black heads, white pimples & acnes, remove cuticles and export out of skin. The ultrasound therapy can rise the temperature in deep skin to promote metabolism, speed up the nutrition importing. In the thermal effect of the vibration, it will produce a series of biochemical reactions in human body, like drug release, changes in ion state etc, thus achieve the beauty effect.