The best professional powdered cleanser since 1882. The unique formula gently removes stains other cleansers can't. It will even remove rust, and is great for cleaning stainless steel. Will clean stainless steel, porcelain, ceramic tile, plastic, copper, china, fiberglass, imitation marble, tile, grout, chrome, and composition sinks. Safe around food areas. Phosphate, bleach, ammonia and fume free. Eliminates fingerprints, dirt, oil, smudges, spots, grease and more.