Formulated by high purity and natural germanium stones, Germanium Balls are more and more popular in the field of bath & cosmetic. Germanium balls could release the far infrared, negative oxygen ion to help human bodies excrete the toxins and waste out, increase oxygen content in the blood, bring beauty and health to skin and hair. Besides household application, the balls also work well in large-scale sauna, spa, sand therapy, stone therapy, etc.