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

[What really causes baldness, and it’s not testosterone – not directly.](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3982925/)