If male pattern baldness is caused by testosterone, why are hairs on top of the head more affected by it and hairs like eyebrows, beard, inside ears etc, are affected less?

Question

If male pattern baldness is caused by testosterone, why are hairs on top of the head more affected by it and hairs like eyebrows, beard, inside ears etc, are affected less?

In: Biology

Answer 1

From what I have learned…the hair on the head have a different testosterone receptor…which is absent in other parts of the body…so they fall off due to testosterone