What are the odds that Kybella will go wrong?

I've been looking into getting my chin improved with kybella but I got to admit that I'm actually really scared about something going wrong. I'm a numbers person, I like knowing my odds before getting into anything, but I can't find anything close to a straight answer online. In your experience, how likely is Kybella to go wrong?

FemmeFatale

F, 53, California

Tags:woman age 45-54 chin double chin under chin fat gone wrong