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What is hair made of?

keratin

keratin

keratin
keratin, a fibrous structural protein used in hair, claws etc
wikipedia
hair (an outgrowth of protein, found only on mammals (called fur on non-human mammal species)) is made of (composed of) what?
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All animal and human hair is made of a substance called keratin - a fibrous, structural protein. Keratin is also used to make finger and toenails (and claws in animals).
Answer supplied by william. View details.
Posted at 14:39 on March 21, 2010.
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External web pages (using standard web search):

Hair - Wikipedia, the free encyclopedia
This argument is made based on the principle that straight fibers better facilitate the passage of UV light into the body relative to curly hair.
http://en.wikipedia.org/wiki/Hair
What Is Human Hair Made Of? | eHow.com
What Is Human Hair Made Of?. Even though hair comes in many colors and textures, it is all made of the same materials. The main ingredient of human hair is a protein called ...
http://www.ehow.com/about_4740266_what-human-hair-made.html
What is hair made of and how does it grow?
What is hair made of and how does it grow? Hair growth answers.
http://www.hairfinder.com/hairquestions/hairgrowth.htm
What is hair made of
A: The best way to answer this question is to reverse the two parts. First, your hair grows from follicles within the skin. The part of the hair inside the follicle (below the ...
http://wiki.answers.com/Q/What_is_hair_made_of
What Is Synthetic Hair Made Of? | eHow.com
What Is Synthetic Hair Made Of?. People use synthetic hair for a number of reasons. It's used as extensions to provide length, as filler to conceal bald spots or in weaves to ...
http://www.ehow.com/facts_5003064_what-synthetic-hair-made.html

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