Concentrated magnesium chloride for a full body immersion or foot soaks; Skin safe; Rapidly absorbed; Fast actingnBest for sensitive skin and fragrance free; Bath salt soaks are great for joints and are calming and relaxingnIncreased magnesium levels can lead to better sleep, improved skin, relieve sore muscles and nerve healthnMagnesium deficiency can cause headaches, muscle spasms, leg cramps, and decreased energy levelsnNatural Zechstein magnesium chloride; Approx. 15g elemental magnesium per cupn