Genetics, same way some women don't grow thigh sideburns or one single eyebrow
I've seen it. The two sides kind of rrow together over the nose
What are thigh sideburns? Sounds horrible.
LOL From the AB FAB TV show--picture you're wearing a bathing suit---whatever hair that can be seen down the insides of your thighs outside the bathing suit.
A full beard is a mixed blessing. Anyway, vive le hair!
Usually guys can grow one around their 2nd heads by age 12 or 13....if the beard appears patchy..please be careful, the dudes might have alopeice of assa
They dont have many hair follicles
It is most likely genetics, or they are just not at that point of puberty yet.
I know that it is there but when I was young it was like you are saying. So as the hair left the top of my head it got thicker on my face. It has something to do something, but not sure what.
Genetics :P I can only grow full hair on my chin and my upper lip just looks gross when the hair grows out.
Maybe they're beiber???