Stone Soap is an all natural, biodegradable, highly concentrated cleaner/conditioner designed for daily cleaning and conditioning of all natural stone surfaces. Stone Soap is safe and easy to use on marble, granite, limestone, travertine, terrazzo, agglomerate, slate, unglazed ceramic, porcelain, terra cotta, saltillo and concrete. Regular use provides a dirt repellent barrier at the surface, prevents hard water damage, brings out the natural color and brilliance of the stone and improves slip resistance on polished surfaces.Use On: All natural stone surfaces.