Bar Keepers Friend Soft Cleaner Premixed Formula | 13 oz | (1 Pack) This Soft Cleanser delivers the same power as the Bar Keepers Friend Classic Cleanser & Polish, but in a premixed formulation for a quick, consistent clean. This creamy, ready-to-use formulation clings to vertical surfaces, making it an ideal glass shower door cleaner, but it works equally well against rust stains, tarnish, mineral deposits, soap scum, and indoor or outdoor grime. SURFACES: Stainless Steel, Brass, Bronze, Copper Alloys, Aluminum, Ceramic, Porcelain, Glass, Corian. KITCHEN: Sinks, Cookware, Stove cooktops and exteriors, Oven door windows, Countertops (non-stone), Plates (buffs out knife marks).