... uses a mild formula. 2.It can remove the surface stains and the deep stains.3.Can be used for tiles, ceramic ... , artificial stone, granite, marble.4.Usage and dosage: directly applied to the clean surface (which can be sprayed amount of water), and ... cloth or brush machine to scrub. When stains removed, rinse with clean water. Neutrality deeply floor cleaning detergent--No injury to the skin