F.N.A.® green clay is extracted from the rich volcanic earth of the Auvergne region in France. It is made up of an impressive list of properties originating from the gradual erosion and breakdown of pre-existing rock, particularly those containing feldspar. This green clay is a naturally layered alumino-silicate - that is a phylosillicate. It naturally contains three different clays with complementary properties and benefits. It does not contain silica. It is 100 natural. F.N.A.® green clay is a remarkably pure clay, which gives it high absorption and adsorption capacities. Thanks to the innovative drying techniques, this clay has an extremely low moisture content: between 4% and 6%. Fields of application: joint and muscle soreness such as arthritis and sports injuries such as sprains, dislocations, swelling and bruising. Also against eczema and itchy skins. Contra-indications: Do not use on open wounds, mucous membranes or eyes.