Hyaluronic acid can be gradually absorbed by human body over time, which is a very safe method. If you are not satisfied with the injection, you can recover after a period of time without any harm to your body, because the substance itself is a component of the skin and will be excreted with metabolism. Hyaluronic acid generally lasts about 6 to 9 months, and the latest hyaluronic acid can last for the longest time 1 year. The retention time of hyaluronic acid also varies from person to person. And there are many beauty methods of hyaluronic acid, depending on your specific beauty method. Hyaluronic acid beauty can be used for rhinoplasty, lip augmentation and wrinkle removal. The retention time of hyaluronic acid is different for different applications. Therefore, if you want to know how long the specific hyaluronic acid lasts, it depends on your specific beauty method.