The facial scrubber produces 24K HZ high-frequency vibration to clean facial acne, comedones, blackhead, spot and dead skin, penetrates toner/ serum deep into the cuticle layer, optimizing, moisturizing elastic skin, less wrinkle, tightened pore and improved skin metabolism. • The upgraded Skin Care Tool built-in timer and will automatically turn off after 5 minutes.No harm to the skin, just re-open it to use.Durable and portable USB charging cable to charge it through computer, power bank, ect. Vibrating stainless steel spatula gives you a warm and comfortable feeling. • Using crystals and a suction-vacuum method that can cause redness and dilate or break capillaries. In comparison, an ultrasonic face spatula is just a very gentle procedure for the purpose of exfoliation.