The current operations are all good, but there are still some side effects on the human body. Long-term hyaluronic acid is harmful to chin. Many patients will have wrinkles after multiple injections of hyaluronic acid, which is generally caused by the skin's inability to absorb hyaluronic acid. Many people's jaw elasticity is too large or slack after recovery, which may be caused by strenuous exercise or collision. Therefore, they must seek medical attention in time after these problems occur.