Epsom Salt elementé Sale! from 500 /per Size 9oz 16oz Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. When used in a bath or foot soak, trans-dermal magnesium & sulfur is absorbed through the skin, helping to relieve muscle tension & spasms, restless legs, cramps & stress. INGREDIENTS: 100% Pure Epsom Salt.