Thank you for viewing. This is food-grade Australian bentonite clay (main component: smectite). It is made by sun-drying and finely grinding bentonite clay excavated from uncontaminated Australian underground sources, and only pure clay components are selected (over 90%). In addition to being edible, it can also be used for body packs, face packs, clay baths, clay compresses, clay toothpaste, etc. Main component (mineralogical classification): Smectite Strength of action indicator: ★★★★ (Australian) *Corresponds to ICA "Bentonite Clay". Main minerals: Silica (approx. 60%), Alumina (18.5%), Magnesium Oxide (5.2%), Iron Oxide (4.1%), Potassium Oxide (1.3%), Sodium Oxide (1.3%), Calcium Oxide (0.1%) Type...Clay