My Mom has picked her face for a long time, but with very little damage. She's 89 and has started to see things on her face and has increased the picking so that she has some areas that are raw. She says she picks them because they itch. They itch because they're trying to heal. She had a biopsy on a patch above her eyebrow that she had picked on until it showed abnormal cells. No cancer, but 6 months after the surgery, she still thinks she's pulling out stitch material from the area and has picked it raw again. Can anyone give me any advice please?