Recently, I had a chin filler injection because I felt my face was a bit short, but I was also quite worried because I was afraid of asymmetry, swelling or complications. Luckily, I had it done at a place where a dermatologist performed the procedure, and was given detailed instructions on post-injection care, so my chin took on a very natural shape, without being stiff or revealing the substance.

Anyone who is interested can refer here: Chin filler injection - with pictures for easy comparison.