When caring for your piano, it is important and essential to have the right stuff. Cory Key Brite cleans, brightens and preserves all plastic, ivory and wood keyboards. Just spray directly onto keys and gently wipe them clean, bringing back their original luster and gleam. Very simple and safe to use. Just spray six to eight inches from key surface and wipe clean the full length of the key. Its completely safe on all surfaces leaving a great \"feel\" and beautiful sheen to the keys. Key-Brite easily dissolves the wax build-up on sharps.