Bar Keeper's Friend has all the cleaning power of the original, powdered Bar Keeper's Friend, in a convenient liquid form. It's ideal for tackling tough rust, lime deposits, and other stains in your bathroom and kitchen, and thanks to its bleach-free formula, it's safe for use on stainless steel and copper cookware. Simply squeeze Bar Keeper's Friend on a surface, gently rub with a wet cloth or sponge to tackle tough stains, then rinse with water to leave behind a clean and shining surface. Bar Keeper's Friend is not for use on gold, silver, pewter, marble, lacquered metals, or anodized aluminum.13 oz. bottle.