Compulsive hair pulling is called trichotilliamania and it is a form of OCD. A very good website to go to in order to get more information is:
<A target="_blank" HREF=http://www.ocfoundation.org/ocf1010a.htm>http://www.ocfoundation.org/ocf1010a.htm</A>
However, none of us are doctors so I would advise you strongly to talk with your talk doctor and your parents so you can get the best support possible. You don't have to suffer. Good Luck! And keep us updated