Our piano key cleaner contains disodium EDTA, sodium bicarbonate, lauryl ether 7. It can effectively remove dirt and fingerprints to keep the keyboard clean. Prevent keyboard aging, prolong the service life. Its use is simple: just spray the product evenly on a clean cloth, and then wipe the piano keys clean. And can effectively remove dirt and fingerprints, restore the luster of the keyboard, keep the keyboard clean and bright.