Fillers and fat grafting involve precise placement at specific depths, such as the pre-periosteal layer or the muscle layer.

“So, The art of fillers and fat grafting is is really truly an art. Um, you know, it's there's depth of placement. you know, replacing it in the prepario layer to emulate as if it were a a larger bone structure. Um, if you're trying to hide jowlling, then you might put it into the muscle layer because you're trying to plump up the valley next to the hill so that it becomes smoother looking.”