What Is an Ultrasonic Skin Scrubber and How Does It WorkAn ultrasonic skin scrubber is a handheld beauty device that uses high-frequency sound waves to exfoliate dead skin cells and extract debris from pores. Operating at around 24,000 to 28,000 vibrations per second, the metal spatula tip gently lifts dirt, oil, and blackheads without squeezing or scratching. When activated, the ultrasonic waves create microscopic cavitation bubbles in the water or serum on your skin. These bubbles implode on contact, loosening impurities while a low-level spatula edge scrapes away the loosened…
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