Our ceramic tile multi-purpose cleaner contains the surfactant, disodium EDTA. It can effectively penetrate into the tile crevices, completely remove hidden dirt, and keep the tile clean as new. Its use method is very simple: rotate and open the nozzle, without dilution, directly spray in the place that needs to be cleaned, let it sit for a few minutes, there is white foam on the surface, the stain is breaking down, wipe it repeatedly with a towel, and rinse it directly with water after wiping. And it saves time and effort, making housework easier.