Our car water cleaners contain disodium EDTA, sodium bicarbonate and lauryl ether 7. It can effectively break down stubborn water stains and minerals, ensuring that the gap is clean and no residue. Its use method is very simple: 1. Spray an appropriate amount of detergent on the sponge; 2. Wipe the stain repeatedly with a sponge until the stain is clean; 3. Finally, wipe off with a towel. Designed for car crevices, it easily cleans hard-to-reach places such as doors and dashboards, making the interior cleaner.