Bar Keepers Friend is the premium household cleanser. With a non bleach formula, it's is recommended for cleaning stainless steel cookware and sinks, glass and ceramic cooktops, solid surface countertops, porcelain and acrylic bathtubsand more. It's the best top-sellingcleanser for removing rust, tarnish, hard water stains and lime scale. Premium cleanser and polish, makes household surfaces shine like new again. Removes tough stains, lime and hard water stains. Can be used on chrome, stainless steel, porcelain, tile, ceramic and fiberglass surfaces.