Know Your Ingredients: Alumina

by Gio

What it is
Alumina, also called Aluminum Oxide, is a crystalline compound of Aluminum and Oxygen.

What it does
Alumina is an abrasive. Its crystals may be used to exfoliate.
In addition, alumina is used as a thickening agent and an absorbent.
Finally, it is also used as an anti-caking agent: it prevents the formation of lumps.

Side effects
Alumina is generally considered to be safe.


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