Over thousands of years in the earth Green Clay absorbs a wealth of essential minerals including Silica, Magnesium, Calcium, Iron, Potassium, Cobalt, Manganese, Zinc, Selenium, Copper, Alumina, Phosphorous, & Sodium. Green Clay contains a great variety of elements so necessary for your skin. In Green Clay, each element is responsible for working the outer epidermis (skin) in its own way and in dispensing their biological constituents as best as possible. The highly micronized, and often fragile molecular state of French Green Clay allows for far greater absorption of impurities, dust, oil, contaminants, and make up then other clays, and when seeking treatment for the skin, health professionals will always choose French Green over the other varieties.