Bar Keepers Friend - The best powder cleanser since 1882. The unique formula in Bar Keepers Friend gently removes stains other cleansers can't. It even removes rust. Extremely effective and safe, All-Clad recommends Bar Keepers friend as the best cleanser for their fine stainless cookware. Great for stainless steel, fiberglass, porcelain, glass cooktops, copper, tile and brass. 12-oz. can.