Kaolin clay, which has also been referred to as white clay or China clay, is primarily made up of the mineral kaolinite. White Kaolin Clay is the gentlest variety of Kaolin Clay, making it a good choice for sensitive skin. Kaolin has a very strong effect to prevent bacteria, so it can be very useful for healing wounds. During ancient times it was one of the favorite disinfectants.
Food-grade Kaolin has been demonstrated to have positive effects on the digestive system. It can also help with digestive issues like IBS and leaky gut by improving medical problems and preventing them.
Regarding kaolin as a toothpaste, it is also usually used for the treatment of sensitive gums and for the healing of sores in the mouth, lips and tongue.
Clay is very rich in calcium, zinc, magnesium and silicon, and is a source of these minerals for the processing of many products and medicines.