Removes existing mold and mildew stains and prevent the formation of new ones. Cleans mildew and mold stains, soap scum and mineral deposits. Lays down an invisible coating to keep mildew spores from attaching for up to two months. Bleach-free formula. Releases no harsh fumes. Safe for use in tight and poorly ventilated spaces. For use on ceramic tile, terrazzo, grout, porcelain, glass, aluminum, chrome, painted surfaces, mica, laminate and synthetic marble.