If beards were necessary for protecting the face, woman should also have developed a beard, but it never happened at least as strong as a man’s beard. Is it something visual? Or it has any function that was important back then on man but not on woman?
In: Biology
It’s possible that men have beards due to [sexual selection](https://en.wikipedia.org/wiki/Sexual_selection). This means the purpose of a beard is to make men more attractive to women, a bit like a peacock’s tail. Of course, humans are far more complex than peafowl and there is far more variation in what we find attractive about the opposite sex. Attractiveness is also heavily influenced by societal trends. Therefore, beards are no longer as important as they may once have been for early humans.
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