NOW Solutions Magnesium Topical Spray delivers pure, highly concentrated magnesium chloride sourced from the Ancient Zechstein Seabed in the Netherlands. This easily absorbed, non-greasy spray is perfect for those looking to supplement magnesium topically. Just 4 sprays provide 66 mg of elemental magnesium, helping to support muscle relaxation and promote overall well-being. Ideal for targeted areas of discomfort or to enhance your magnesium levels for better sleep and relaxation.