Contains: Pure Ancient Magnesium Oil Magnesium is essential for hundreds of biochemical reactions in the body. Signs of deficiency include migraines, difficulty sleeping, fatigue, and muscle cramps. This solution is perfect for skin absorption, an effective method to combat magnesium deficiency. Do not ingest. To use, lightly spray externally over areas of pain, soreness, and odor or on bottoms of feet for better sleep. Expect a tingling sensation. Apply on feet, torso, armpits, and legs for optimal results. Avoid cuts and sensitive areas. The underarm area is ideal for absorption into the lymphatic system. Made from genuine Zechstein magnesium salt from the seabed in Europe