Magnesium oil is a great way to add this crucial element into your body. Absorption through the skin is a preferred path for magnesium. The pores of your skin suck in this oil to help ease muscle cramps or to prevent them from happening. Most people do not get enough Magnesium in their diet and this oil is an excellent way to add it. Spray on your skin or the soles of your feet and rub in. May feel tingly on the skin depending on how nutrient deprived you are. That just means it's working!