Swanson Dr. Barbara Hendel's Magnesium Oil - 237 ml. Nourishing, Moisturizing & Cleansing. Paraben Free. No Animal Testing. Non-greasy, moisturizing magnesium spray from the ancient Zechstein Sea. Swanson Magnesium Oil Spray is a super-saturated, non-greasy spray of pure magnesium chloride and water – nothing added, nothing taken away. It's mined from deep underground at the site of the ancient Zechstein Sea in The Netherlands. The spray rapidly absorbs into the skin, making it perfect for everyday use. Naturopathic experts recommend magnesium oil for daily use. Immune Support, Digestive Health