Hi there, yes filler and/or fat can help to volumize that hollow area following your surgery. Be sure to find someone with a lot of experience as the under eyes can be technically challenging to inject. However, there is definitely hope for you and you can get that area looking smoother.
Based on what you circled, there appears to be two vertical ridges next to the corners of your mouth on both sides. The cause of this is unclear, and it may just be a normal natural part of your face. I suspect that fillers could make ridges like this worse. Digital photos rarely tell the whole...
Hello, it's possible that the bulge you are seeing is due to filler in the "wrong place" or migrated filler. It may just also be some skin laxity near your nasolabial fold looking like a bulge. It can be hard for us to assess from just one photo. I would get a second opinion from an experienced...