Removes oxidation, tarnish, surface rust, and water spots. Easy to use application involves rub on/buff off action. May be used with a buffing wheel. Leaves a brilliant shiny protective coating that lasts for months. Recommended for use on all metals, porcelain, plexiglass, hard plastics, and painted surfaces. Also removes black marks left from metal pots on ceramic or porcelain sinks. Use it on jewelry, sinks, faucets, silverware, and buckles.