Has anyone had forehead fillers? I'm curious about the side effects, etc.

Has anyone tried forehead fillers?

I've always had a flat forehead, and I have no fat on my face overall ㅠㅠ I only have a lot of fat on my chin..

I have a peanut-shaped face, so I've wanted to get fat grafting since I was 20, but since I work, it feels a bit burdensome. I'm thinking about just getting forehead fillers for the sunken area.

I'm worried because they say it might move.

For those of you who have tried forehead fillers, what is your experience like?

I'm wondering if there are any side effects.