Country of Origin: France Botanical Name: Montmorillonite Common Name: French Green Clay French Green Clay is rich in minerals andis known for its high oil & toxin absorbency, making it ideal for use in soaps targeted for use by those with oily skin. It has a fine texture and its natural light green color adds a tint of green to finished soaps. How to Use in Cold Process Soapmaking: Mix clay to oil or distilled water 1:1 and gently mix. Add more water if desired. Add the clay mixture during trace.