Spay on the body to obtain Magnesium transdermally (through the skin). Apply as and when needed to help combat magnesium deficiency. The benefits of magnesium include alleviating muscle soreness, cramps and tiredness, spray magnesium oil for sleep. It is good for improving overall well being. This can be used after exercise to restore Magnesium levels. Some people experience a slight tingling sensation when applying magnesium spray. This usually goes away after a few minutes.