Can hyaluronic acid be injected multiple times for rhinoplasty? Although hyaluronic acid can be absorbed, under normal circumstances, the synthesis and metabolism of hyaluronic acid are in a dynamic balance. Repeated multiple injections of hyaluronic acid may affect its metabolism and balance, resulting in excessive accumulation of hyaluronic acid in the body. Hyaluronic acid has certain biological functions, such as angiogenesis, wound healing, and regulation of cell function. Excessive injections may also have certain effects on the normal biological functions of the organism. At the same time, long-term injection of hyaluronic acid may also affect the vascular network of the nose, leading to impaired blood circulation in the nose; if it causes vascular embolism, it will lead to extensive peeling of the skin of the nose, or even ischemic necrosis, which can lead to blindness in serious cases. In short, one must have a correct understanding of hyaluronic acid, which is after all only a means for plastic surgeons and not particularly suitable as a material for permanent rhinoplasty. What should I do if hyaluronic acid injection does not dissolve continuously after rhinoplasty? Normally speaking, hyaluronic acid will be dissolved and absorbed by the tissue 6-10 months after injection. However, in some patients, hyaluronic acid persists at the injection site after injection and cannot be dissolved, which may be due to the metabolic dysfunction of human body or the injected hyaluronic acid contains impurities that cannot be absorbed by human body. For people with metabolic dysfunction, it is recommended to go to regular medical institutions to inject hyaluronidase to accelerate the dissolution and metabolism of hyaluronic acid. In addition, physiotherapy, laser and local hot compress can also help the dissolution and metabolism of hyaluronic acid. If hyaluronic acid cannot be dissolved after the above treatment or if the hyaluronic acid contains impurities that cannot be dissolved, it is recommended to go to a regular medical institution as soon as possible for surgical removal to prevent infection and other hazards.