I was concerned because I had some fat only on my face, so I became interested in contouring injections. After getting them for the first time, I was shocked. It felt like something had gone into my cheeks, and my cheeks felt as heavy as Luffy's. Still, it was not noticeable enough if I wore a mask, so I took public transportation home.
To start with the conclusion, I did not really see much effect. I kept checking now and then to see if the effect was just coming out slowly after the injections, but it was so subtle that even I could not really tell. If anything, I looked slimmer right after exercising.
Oh, I also got a little in my waist or lower abdomen area, and that area had a bit more effect than my face. But even for that, I recommend exercise more.
It just had meaning in the sense that I tried doing something to get rid of facial fat...