Mustard powder! Create a paste of mustard powder and a little water and use it to wash your hands or dishes. Scrub it in then rinse (it will take a lot of rinsing, as the paste is sticky). The result: Deodorized hands if you've been handling, say, garlic. Or deodorized dishes or food containers if they've retained a food odor.
Related: How To Make Mustard At Home
(Image: Dean & Deluca)