Keyano Spa Mineral Bath 22 oz. Developed to provide you with a superior additive to the foot bath to assist in the removal of dead skin cells, soften calluses, kills fungus and strengthen nails. The Spa Mineral Bath is a combination of salts harvested from the Dead Sea, Spirulina and French seaweeds including Lithothamnium Calcareum and micronized Laminaria Digitata, along with essential oils of lavender, Tea tree and peppermint. Can also be used in the bath.