• Active Ingredients: Primarily uses oxalic acid, a natural, non-caustic cleaner that tackles stains at a molecular level.
• Best For: Stainless steel sinks, cookware, pots and pans, faucet fixtures, tile and grout, shower doors, and ceramic surfaces.
• Surface Safety: Ideal for metal and ceramic but should be tested first. Avoid using on gold, silver, polished stone (marble/granite), and lacquered or painted surfaces.
• Forms: Available as the original Powder Cleanser (best for heavy-duty), Soft Cleanser (premixed for vertical surfaces), and specialized spray or cooktop formulas. 

Bar Keeper’s friend cleanser is great for cleaning stainless steel.  Sinks, backsplashes, countertops, pots and pans. Will even buff out knife marks on ceramic plates.  Oxalic acid it’s main ingredient is great for cleaning fiberglass and Vinyl as well.