Bentonite is a very old clay that has been used as a remedy for many things. The fine powder forms when volcanic ash ages. People have put bentonite clay on their skin for thousands of years. It may lower the amount of certain toxins in the body, like aflatoxins.
Benefits...
Bentonite clay adsorbs - it attracts particles, like dirt on your skin. It’s used for face masks or shampoos. Bentonite has a high cation exchange capacity. That means clay, which has a negative charge, can attract positively charged ions. Those are minerals like magnesium, sodium, and potassium. Bentonite also has aluminum and silica. Bentonite clay is antibacterial and anti-inflammatory. It also has trace minerals like calcium, iron, copper, and zinc. It’s been used to clean or protect skin and helps skin infections or acne.