Removes oxidation, tarnish, surface rust, and water spots. Easy to use, just rub on, and buff off. 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, musical instruments, buckles & badges. Great for removing the blue from motorcycle pipes. Note:This product cannot ship to California.Please order the Bio-Based formula instead.