How to Make a Natural Foot Odor Remedy: 6 steps (with pictures)- other easy remedies are using vinegar or lemon juice on a cotton ball to use as a type of "toner" on your feet after you bathe. Let your feet dry then put on cotton socks. Sprinkle baking soda in your shoes. You can also use the same deodorant you use under your arms. Especially handy information for teenaged boys! Rubbing alcohol kills germs. It is worth a try to spray inside shoes and let dry overnight to kill germs inside shoes.