Overview: You can have fillers injected into your face to fill in lines and folds, or, for example, to give your lips more volume. More and more people are using them. Legally, only doctors are allowed to inject fillers. Yet you also see many beauticians without the correct papers, a lucrative business in fillers. This is not without risk, because if a filler is injected incorrectly, it can cause serious complications. Is there sufficient supervision of these actions?