Just the title. Why do, usually, men go bald on their heads but nowhere else? So many bald ppl with massive beards.
In: Biology
The tendency for men to go bald on their heads but not necessarily on their faces comes down to the sensitivity of hair follicles to a hormone called dihydrotestosterone (DHT).
On the scalp, some hair follicles are genetically more sensitive to DHT. When DHT interacts with these follicles, it signals them to shrink over time. As a result, the affected hair becomes thinner and eventually stops growing. This process is known as miniaturization, leading to the common pattern of male baldness.
Now, the facial hair follicles are usually less sensitive to DHT. That’s why even if a guy is losing hair on the head, the beard area might still flourish. It’s like having different sets of soldiers – the ones on the head are more susceptible to DHT’s influence, while the facial hair troops are more resilient, creating a diverse landscape of hair growth across the body.
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