What it is
Magnesium Carbonate, also called magnesite, is an inorganic salt of carbonic acid. A white powder, it is the main component of the chalk used by gymnasts and rock climbers.
What it does
Magnesium Carbonate is mainly used to absorb oils and other liquid substances.
In addition it is used to adjust the ph of a product, to reduce its transparent appearance, to increase its volume or to dilute other solids.
Magnesium Carbonate is generally considered to be safe.