Clay Facial Masks - 7 ozHydrated clay binds with not just toxins but also harmful bacteria and pathogens. When hydrated clay is applied to the skin and left to dry, it binds to bacteria on the surface of the skin and deep into the pores. It brings the dried up bacteria to the surface of the skin to then be washed away. This act reduces the overpopulation of pathogenic bacteria to friendly microflora, which is responsible for bacterial skin problems, and acne. In other words,