All right. According to the inquiry of official website of Shuangdi Zhongchuang Beauty Industry, the product adopts non-invasive technology, which will not cause damage and irritation to the skin. When washing your face, gently massage your skin and use gentle cleansing products to protect your skin. The needle-free atomization principle of Shuangdi Zhongchuang Beauty Industry is to freeze the spectacle frame from the outside with an atomizing micro-sculpting shaper, introduce nutrients at a fixed point, make the aged skin replenish rich collagen, and activate the skin mother cells with fibroblast growth factor, so that the broken reticular fibers can better absorb collagen and regenerate links at the same time, thus achieving the best skin tightening effect.