1. Health
Send to a Friend via Email

What is hair?

By

Updated October 17, 2003

Question: What is hair?
Answer: Hair is basically a form of skin. It is made up of a protein called keratin and grows everywhere on the body with the exception of the lips and eyelids and the palms of the hands and soles of the feet. Each shaft of hair is made of two or three inter-twined layers of keratin which grow from a follicle beneath the skin. Hair grows more quickly in the summer and more slowly at night.

©2014 About.com. All rights reserved.

We comply with the HONcode standard
for trustworthy health
information: verify here.