1/4 cup Epsom salts
1/4-cup sea salt
4 drops liquid menthol
4 drops peppermint essential oil
Place all ingredients in a plastic bag and shake them to distribute oils. Add to warm (or cold) water and soak your feet. Variants – Eucalyptus can substitute for menthol and rosemary can substitute for peppermint.
Shelf life – 1 year