Remove mold in bathroom. Can be used on wall, tile and silicone joints, shower curtains, silicone windows and doors, rubber sheets, non-slip rubber pads, and various products. Inapplicable items: sand walls, fiber walls, painted and cloth decorated walls, stainless steel, porcelain bathtubs, metal products such as lang, aluminum, brass and other metal products (causing corrosion), wood products, animal hair brushs