Hiya Jagmac,
Dont be embarrased to ask this. Its a bit of a taboo subject isnt it? Im glad you ask though.
There are some rally good self harm websites i have added a link for you below.
www.selfharm.org.uk.
Self-injury is any intentional act that causes harm to one�s own body for the purpose of emotional relief. Self-injury can involve a variety of behaviors, including cutting, burning, scratching, biting, pinching, hitting, head-banging and hair-pulling. There are some good links out there to have a look at. Have you tryed to get help before?