Magnesium Oil Body Spray is a saturated solution of ancient seabed magnesium chloride, one of the most soluble of all magnesium compounds. Formulated for topical use, BetterYou Zechstein Magnesium commences absorption immediately when massaged into the skin helping to promote overall wellbeing and natural relaxation. The magnesium used within Magnesium Oil Body Spray has been naturally purified over 250 million years to guarantee it is free from man-made pollutants and heavy metals.