Sodium Bentonite Clay - Fine expands when wet, possibly absorbing several times its dry mass in water.
Bentonite clay is a combination of montmorillonite and volcanic ash. It is a highly absorbent clay that pulls oils and toxins from the skin and is one of the best clays for making clay poultices. It is best suited for oily skin.
Cosmetic Uses: Bentonite is a good clay for shaving soaps (use about 1/4 oz per 16 oz of soap) and for use as an oily hair and scalp products.
It is used to thicken lotions, to suspend makeup pigments, and to absorb facial oil and reduce shine in makeup lotions, liquid makeup and facial masks.
It can also be used to naturally color soaps and other products beige to green to grey.