Magnesium absorbs better through the skin than through digestion. Do you expeirence leg cramps at night, trouble falling asleep, headaches, aches and joint pain? Applying magnesium in the form of a lotion or body butter may help alleviate these issues. This body butter contains magnesium and lavender essential oil to help soothe dry skin and assist with your magnesium needs. 8oz jar. A little goes a long way!