There's another pruduct called "goo-gone". Ther are new fingernail polish removers that claim to be acetone free. I don't know what is in them, but sometimes they work well too.

> If you can't find the "Un-Do" product try using PPG
> Acryli-clean DX330 or Dupont Prep-Sol 3919S. Both products are commonly
> available at auto paint stores and are designed to remove silicones,
> tape residue and other surface contaminates. In my experience they
> work well.