Principle: With a built-in ultrasonic atomizer, this steam hydrating mask utilizes Nanotechnology to instantly turn water into nanoscale particle mist in a warm environment, opening up pores to clean deep makeup residue and dirt while at the same time penetrating deep into the cuticle and skin fiber to supplement water and nutrition, enhance the absorption effect of facial mask by 3 to 6 times, making whitening and moisturizing more efficient. Features: * NANO ultrasonic atomization Instantly turn water into nanoscale particle mist to help achieve effects of facial deep cleaning, moisturizing, nourishing and whitening. * 9g/min mist volume Full coverage of facial skin making it more efficient compared to ordinary product of 4.5g/min in the market. * Lightweight Comfortable to wear and convenient to carry. * Efficient Improve the absorption effect of facial mask by 3 to 6 times. * 4 modes selectable Optional operating patterns and stable output frequency offering better experience. * Adjustable temperature Avoiding getting burned according to individual needs. * 1min preheating Short warm up time to quickly get into operation. * Natural harmless moisturizing Suitable for all skin types, sensitive skin included. Functions: 1.Facial skin deep cleaning 2.Facial skin moisturizing 3.Facial skin whitening 4.Facial skin nourishing 5.Improve absorption effect of facial mask