1. Use your UndiWash mesh bag to keep your panties separate
2. Get a Basin
3. Boil some water for your basin
4. Add water and a little UndiWash to the Basin
5. Pretreat/Scrub your panties with UndiWash
6. Let soak in the basin for atleast 10 minutes.
7. Rinse with hot water
8. Dry as desired