Category: ultrasonic skin scrubbers

Short answer: an ultrasonic skin scrubber does not shrink pores, but it does clear the congestion inside them. It is a handheld device with a flat stainless steel spatula that vibrates at 24,000 to 30,000 Hz, and on damp skin that vibration plus mild micro-currents push sebum and blackheads out so you can wipe them…