Except on the crown, which was raggedly bald, he had stiff black hair, standing jaggedly all over it, and growing down hill almost to his broad, blunt nose.
Baldness is inherited, and in people with this condition, follicles become incredibly sensitive to the effects of dihydrotestosterone, a hormonal product made from testosterone.
" Yeah, I see what you mean, Remus, " said a bald black wizard standing furthest back—he had a deep, slow voice and wore a single gold hoop in his ear, " he looks exactly like James."
Jason (Jason) from Hong Kong wants to know how one describes the bald spot on the top of, usually, a man's head, where there is like a circle where there is no hair, but there's hair all around it.