How long might it take for my facial hair to finish growing in?

I dont know, but facial hair is a turn off for me anyways, so you shouldn't worry about it

How long might it take for my facial hair to finish growing in?

It all depends on how long you have been shaving it. If left alone, It can take up to 2 years, but if you shave it off a few times, it will grow in faster, results in weeks. be careful.

How long might it take for my facial hair to finish growing in?

depednds how long uve had it we need information