If you don't like the look of the filling and want to reverse it, you can get help from a specialized medical provider. Many common fillers can be easily dissolved or reduced. The main exception is Sculptra, which cannot be reversed since its final result is collagen. Radiesse can't be reversed either, since it's made of a calcium base instead of a hyaluronic acid.
Because of this, people who want the best results with their fillers can schedule semiregular appointments with their facial plastic surgeon, who can add small amounts of fillers at precise points to maintain impressive aesthetics for many, many years. While it's true that fillers aren't permanent and break down over time, there are several things you can do to extend the time between visits to the facial plastic surgeon for filler injections. While injectable dermal fillers can provide amazing aesthetic results (giving contour, volume, and radiance to the face in a matter of days), it can sometimes feel like their benefits don't last long enough. If the filler is located further away from direct blood flow than elsewhere, it means that the cells that secrete hyaluronidase will not be able to reach the hyaluronic acid gel and, therefore, will not be able to dissolve it.
One of the main assumptions is that hyaluronic acid fillers eventually dissolve, and then it's time to get more. And while it is true that some of what is injected dissolves and is discarded by the body, it is not true that the body completely dissolves all of the filler. You can keep the look you have after the fill by following a regular retouching program, but the fill will eventually disappear if you don't. Due to the nature of the anatomy of the lips, filling materials don't always stay exactly where they were placed with the passage of time.
One of the best things about using fillers instead of cosmetic surgery is that you can make adjustments. There are several factors that determine the half-life of dermal fillers, such as the product, the formula, the injection site and the quantity, but the real problem that regulates the duration of the filler is metabolism. If you want to keep the look you achieved with the filler, you can schedule appointments to have more filler injected each time it starts to break down. Although there is no scientific determination as to how long the body dissolves the filler, I hypothesize that most of the dissolution occurs within the first 2 to 4 weeks after the filler is injected.
If this were the case, the skin, muscles, and even the surrounding bones would break down along with the filling gel. Hyaluronic acid fillers, such as Juvederm, can be dissolved with the enzyme hyaluronidase, which begins to act almost immediately.