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Hair
Origin
A developing fetus has all of it's hair follicles formed by week
22. At this time there are 5 million follicles on the body. One
million of those are on the head, and 100,000 are on the scalp.
This is the largest number of follicles we will ever have - follicles
are never added during life. As the size of the body increases as
we grow older, the density of the hair follicles on the skin decreases.
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