Thursday, 23 Jul, 2026

How High-Frequency Sound Waves Lift Dirt and Oil

Unlike manual brushes or gritty exfoliants, an ultrasonic skin scrubber relies on 24,000 to 28,000 vibrations per second to loosen impurities. These high-frequency sound waves create microscopic cavitation bubbles that implode against your skin’s surface, gently blasting away sebum, dead cells, and makeup residue without friction. The vibrations travel through a smooth metal spatula head, […]