Magnesium butter is a moisturizing body cream that contains a form of the mineral magnesium. Magnesium is an important mineral that is found in every cell in our bodies and helps to keep us functioning. Magnesium butter on the skin is known to be one of the best ways to absorb magnesium into the body. Apply a dime size on feet or under arms and massage into the skin 20 to 30 minutes before bed for a deep and restful sleep. * topical use ONLY