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How does hair grow?. I know that hair is from the skull and it grows from a tiny stem inside your skull. The papilla is a very important part of your head, it is at the very bottom that helps the hair grow because it contains the blood supply. How does it form?. Different types of hair.
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I know that hair is from the skull and it grows from a tiny stem inside your skull.
The papilla is a very important part of your head, it is at the very bottom that helps the hair grow because it contains the blood supply.
Different types of hair why is hair curly or straight?