Bon Ami Powder Cleanser is safe and effective for many non-decorative hard surfaces including many pots & pans (excluding non-stick cookware), cooktops and countertops, microwaves and grills as well as sinks, showers and tile. It can be used on toilets as well (just not inside the tank). Types of materials it can be used on include stainless steel, porcelain, enamel, fiberglass and acrylic.