Zechstein Inside® products: the purest natural magnesium chloride in the world. During the Zechstein era, 250 million years ago, the oceans were subject to considerable evaporation. The remains of this crystallised ‘ Zechstein Sea', containing many types of mineral salts, is situated under large parts of northern Europe & Russia. The world's purest natural deposits of magnesium chloride can be mined one mile beneath Veendam in the Netherlands. Zechstein Inside® Magnesium Oil efficiently replaces magnesium lost through modern diet & pressured lifestyles. Zechstein Inside® Magnesium Chloride has remained protected from man-made pollutants & is considered the benchmark for pharmaceutical grade magnesium. Gentle & essential. Suitable for children, during pregnancy & for those with skin complaints. Magnesium Oil Original Soak provides you with the most relaxing body or foot bath you have ever experienced. Each 100ml dose delivers 14 grams of the purest elemental magnesium. Magnesium Oil delivers this essential mineral in its most absorbable form. An excellent & essential mineral to enhance skin integrity. Softens skin & maintains skin structure, strength & elasticity. Suitable for all skin disorders including eczema, psoriasis & acne.