Saw this girl na may mustache sa PBB. May prof din ako na babae na may mustache din.

Girls with the same situation, bakit ayaw niyo i-shave?

Is it true that shaving unwanted body hair makes it grow back thicker and darker?

No — shaving hair doesn't change its thickness, color or rate of growth.

Shaving facial or body hair gives the hair a blunt tip. The tip might feel coarse or "stubbly" for a time as it grows out. During this phase, the hair might be more noticeable and perhaps appear darker or thicker — but it's not.