Highly Concentrated NOW® Solutions Magnesium Topical Spray is a pure, highly concentrated, topical magnesium chloride solution sourced from the Ancient Zechstein Seabed in the Netherlands. This Magnesium Spray is easily applied and non-greasy. Approximately 4 sprays equal 66 mg of elemental magnesium. Ingredients: Water and Magnesium Chloride Hexahydrate
