It’s just a little derma roller. It’s a lot cleaner for penetrating the skin that your dang finger nails. I’ve gotten rid of a lot of skin cancer with it this method for penetration. Now, that said, a little pickin’ on the side can’t hurt.
Oh. The picture makes it look almost like a medieval torture device! Fingernails are just to scratch hard, like scratching an itchy mosquito bite, but not to penetrate. The C-herb does that. For moles, that is - I don’t know a thing about skin cancers.