Share 'HEALING WOUNDED CHOCOLATE MOLDS'

They used to be shiny but now they are dull. I've replaced them with new ones, but there's something about an old polycarbonate mold you've used for years that you never want to let go. How do we restore luster to old molds that are still usable, just a little dinged on the corners and dingy on the inside from detergents or hard water particles? I know we're really not supposed to wash them, espe…