You've dropped your house keys in mud, muck or grease and haven't a clue how to get the stuff off. Cleaning house keys isn't as difficult as you might think, and in just a few minutes you'll be happily locking the door again with your shiny clean house keys.
Wipe off any excess mud or gunk with a paper towel.
Run hot water over your house keys to loosen the remaining soil.
Apply a couple drops of dish soap onto the keys.
Scrub the keys vigorously with the brush, turning them over and paying extra attention to the grooves and cutouts.
Rinse the entire set of keys under running water for one minute, moving them around so that no soap remains.
Dry your house keys with a paper towel and you're ready to go.