i have been scratching a mole clean of of my scalp for 2.5 years now as a nervois habit(only when I need a cigaret) which im trying to quit,but anyway my question is why dose it not heal.. and its not from me keep scratching the scab eather i have not scratched it for months as an exsperament n bam one time scratch after 60 days mind you if i have a sratch it hells very fast just about anywhere on my bodie im a quick healler just not in this one spot what is the deal with that evry time i go to my dc about it he says well dont scratch it n i dont it never freekin heels lol thanks!!ps n i know its bad to srach a mole