Guasha: This involves using a smooth flat tool to gently scrape the skin promoting blood circulation and lymphatic drainage. * Cupping: This involves placing suction cups on the skin which can help to improve blood flow and reduce muscle tension. * Blackhead Removal: This may use suction or vibration to remove blackheads and other impurities from the pores. * Deep Cleaning: This often involves using ultrasonic vibrations or other technologies to penetrate the skin and remove dirt and debris.This devices are often marketed as a way to improve skin tone reduce wrinkles and promote overall skin health. However it's important to note that the effectiveness of this devices can vary and it's always best to consult with a product or device.