Quite disapointed of quiting piching habit, Extremely need help!!!

I am a 22-year old girl, i have picked for nearly 6 years, but itś getting worse and im totally disapointed:((, i dont know any one who suffer from this problem in my friends and family, i think its something rare that a girl who is absolutely concerns about her apearance does such a thing?!o-O Actually these days that im almost at home to study for exams, i am totally destroying my skin at arms, feet, where ever i can reach?!!:((( i feel really lonely and depressed becaus of my repellent habbit!! Even my eyes hurt due to concentrating alot on picking my skin,idk what to dooo, Pleas help me if u have found a remedy!! tnx