KIKI’s Genuine Zechstein Magnesium Oil is a saturated solution of magnesium chloride that is applied directly to the skin, where it is reabsorbed and transported on to the cells. It can be used on any area of the body to increase the body’s overall magnesium levels. 10 sprays equate to a dosage of 309mg of pure magnesium (82% of RI) *Recommended Intake For 250 million years Genuine Zechstein magnesium salt has been protected deep within the Zechstein Seabed at a depth of 1600-2000 meters beneath the earth’s crust, isolated from the impurities of the modern world. Our magnesium oil utilizes only Genuine Zechstein magnesium chloride. Ingredients:Purified water and genuine Zechstein Inside® magnesium chloride (31% magnesium chloride) and other naturally occurring trace minerals. 10 sprays equate to a dosage of 309mg of pure magnesium (82% of RI*) *Recommended Intake