Oh So Heavenly Foot Spa Cleanse Your Sole Hygiene Foot Soak with Marine Minerals Complex deep cleanses, relaxes, and soothes tired feet. The soap based formulation foams away surface impurities and washes away germs. Marine Minerals Complex helps to reduce irritation and soothe tired feet. To use, pour at least 2 teaspoons of this soothing soak into warm or hot water. Stir gently until the soak begins to lather. Bathe feet until clean and soft. It is ideal to use in a foot spa. This foot soak has a pleasant smell and it is a great way to unwind after a stressful day or during the cold winter days.