I've had it years. I've tried wartner numerous times now and it did nothing. Also one which was supposed to freeze it off, a layer came off but that was it. I've tried duct tape and banana skin. I've tried filing it down. It is still there. It is on my finger and my hands are on show a lot. I hate it!
I have got a layer of nail polish on it now to starve it of oxygen.
Any other recommendations?