Bar Keepers Friend Powder Cleanser is recommended for porcelain cooktops, stainless steel, copper, brass, chrome, fiberglass, glass, laminated and nonporous countertops, cement, ceramic tile, and grout.
- Wet metal, porcelain, and fiberglass surfaces before applying the cleanser.
- Product copy also lists sinks, cooktops, appliances, and cookware.
Test it first on an inconspicuous area, as it may etch or dull delicate surfaces.