Industrial Salt is the salt that comes from the sea. It is 100% natural and has been used since ancient times. The benefits of using industrial salts are many. They are rich in minerals like magnesium, potassium, calcium, iron, sodium, phosphorus, sulfur, copper, titanium, zinc and manganese. These elements are beneficial to our body and can be easily absorbed through the skin. This product is made with only pure industrial salts and no additives or chemicals.