Mag Oil - BigMagnesium Oil is for use at the end of the day to promote a sense of relaxation and wellbeing through massage. Apply before bedtime to neck and shoulder area, lower back, legs or even the bottoms of your feet. Adults 15 30 sprays topically rubbed into the skin. You may layer the sprays or apply to multiple areas until you reach desired number of sprays. Start with 15 sprays and increase by 5 sprays until you find your #magoilmagic number. Allow to dry