Lip augmentation is to inject hyaluronic acid into the lip by injection, and support the sunken lip by increasing the volume of subcutaneous tissue, thus achieving the effect of lip augmentation. From a medical point of view, hyaluronic acid lip augmentation has no side effects. Not only that, hyaluronic acid lip augmentation is also a healthy and beautiful way. Hyaluronic acid can make lips three-dimensional and lip lines clear. When the lips are full, the lip lines will become inconspicuous.