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The best thing to do is to use a ton of gel or shaving cream on the mole.
Then SLOWLY AND GENTLY, go over the mole. The key here is to APPLY AS LITTLE PRESSURE AS POSSIBLE to the area around the mole. Think of a piece of cotton hitting a peice of felt.
If you cut it, but neosporin or bacetracin on it and don't shave for a few days.