Formulated primarily for topical use essential magnesium is absorbed directly into the skin tissue entering the cells immediately magnesium oil efficiently replaces magnesium lost through modern diet and pressured lifestylesmagnesium oil delivers this essential mineral in its most absorbable form magnesium oils salt structure provides the most absorbable source of elemental magnesium mined from natural european sea deposits one mile underground and 250million years old this zechstein sea