B.C.
I'm 49 and as menopause gets closer, I've had a few hairs try to grow on my chin. They are pale (blond or grey) and no one notices them but me but I hate the feel of a whisker on my chin. I pluck them. It's not as painful as plucking eyebrows.
The upper lip is a bit more sensitive than the chin. You could try bleaching or they have wax strips to help pull the hair out.
If it gets really dark and thick, you could try laser hair removal which would be an expensive but more permanent solution.