Diatomaceous earth is formed from the fossil remains of algae. This form has great absorption power and can absorb up to four times its own weight in water. This makes it great in face masks to absorb excess oil. It can also be used to create a fine scrubby action to exfoliate extremely gently.
This is a food grade product mined in Australia, though we are unable to sell it for internal consumption as Heirloom does not meet food packdown requirements.