Why do some people have Mediterranean hair but very thick eyebrows?

Reviewer of this article: Zhou Xiaobo, Doctor of Medicine, Shanghai Jiao Tong University

In daily life

Have you ever seen such a strange phenomenon?

Some middle-aged and elderly men

The hair on the top of my head is so thin that it looks like a Mediterranean Sea.

But the eyebrows are still very thick

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Hair on a person

Why is the difference so big?

Come and see

…

turn out to be

They are all male hormones in men

——

Testosterone

For hair follicles on the scalp and eyebrows

The impact caused by different

Hair grows from follicles

Goes through growth, regression and resting phases

Eventually falls off

Then a new round

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Because hair growth periods vary on different parts of the body

The longest growth period of hair is generally 2-7 years.

The growth period of eyebrows is only about 1-2 months.

besides

Hair growth is also affected by hormones in the body

Especially men

Excessive testosterone levels

Hair grows faster

But the strange thing is that

Hair follicles on the scalp

But it is opposite to the hair follicles in the eyebrow area.

Facing higher testosterone levels

Shortened growth cycle

So there is the "Mediterranean Sea" above your head

Thick eyebrows

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