- Multiple functions: This cleanser works through ultrasonic vibrations, which can penetrate deep into the pores, remove dirt,aged cells and cornea. - Four working modes: one press indicates the cleaning mode, two presses go with a massage mode, and three presses indicate the deep cleaning mode, four presses go with a nutrition import mode. - Smooth working process: no pain or irritation, risk-free purchase, high-performance personal customer service. - Ultrasonic vibration 24000Hz per second.