A blend of Epsom Salt with magnesium and sulphate , Blended with Lemongrass, Peppermint, Eucalyptus and Black Pepper essential oils The Eco Bath Epsom Salt Bath Soak for Muscle & Joint Pain with aromatherapy oil together brings you the ultimate in bath time relaxation. When Epsom salt is dissolved in water, it releases magnesium and sulphate ions. The idea is that these particles can be absorbed through your skin, providing you with magnesium and sulphates — which serve important bodily functions.Direction to use: Add to warm running bath water for a wonderfully soothing & relaxing bath.