Why do men's eyebrows get bushier with age?

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Why do men's various facial hairs often get bushier in old age, while women's don't? 👀

Some older men's enormous eyebrows, extensive ear hair and substantial sniffer strands seem like they never stop growing. While many men lose the hair atop their heads, others' eyebrow, ear and nose hairs may look as if they've been dipped in a magical growing elixir.

But as people age,"hormones and the various responses to hormones are the key reason for the difference between males and females regarding hair," said Del Campo said. The shorter a hair follicle's anagen phase is, the shorter the hairs on that part of the body are when they go dormant."Eyebrows have a very short anagen phase of about 30 days — that's it," Del Campo said. This short growth period is followed by an extended resting phase, which explains why eyebrow hairs are typically just 0.4 inches or less.

During puberty, these androgens are responsible for hair growth in places such as the face, arms and back, according to the 2020 review."These androgens work on sex-specific parts of the body such as pubic, chest, face and axillary areas [armpits] during puberty," Jhin said."They act as stimulation to the hairs.

 

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No, women after menopause can have testosterone, too. They only remove nose hair, moustache etc. more often because society expects them to do so. That way it is less noticeable.

Bush?

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