Boric acid is a very old remedy for smelly feet. Boric acid is usually applied to the feet for one to three days covered with socks to fix the problem. What you will need: * Boric acid How to: 1. * Clean the feet 2. * Optionally apply any normal oils, moisturisers, aloevera or other protection 3. * Cover soles of feet with boric acid 4. * Walk around the place 5. * Replace boric acid layer every hour or two Notes: Only use boric acid powder on skin which is unbroken. Cease usage if a skin reaction occurs. Do not breathe in boric acid.