Hyaluronic acid, also known as hyaluronic acid, is a substance that exists in the human body itself and plays the role of architecture and filler in the skin, and has a variety of important physiological functions, especially important is that hyaluronic acid has a special role in water retention and is the best substance found in nature for moisturizing, and generally does not cause harm to the human body. The only way for beauty seekers to avoid harm is to use regular hyaluronic acid that has been approved by the state. In general, hospitals procure hyaluronic acid through regular channels, there are no irregular and illegal products, and the prices of drugs obtained from regular channels do not differ greatly, mainly related to the production process and raw materials. Therefore, for very cheap hyaluronic acid products, it is necessary for beauty seekers to be alert when buying them and not to use them blindly. In recent years, hyaluronic acid accidents have been frequent, and it is not uncommon to see people with rotten faces, disfigurement and even blindness. Therefore, beauty seekers must set up a vigilance, in regular hospitals, by professional doctors for injection, in order to guarantee the safety of the procedure.