Calcium Carbonate
Lovely white chalk used as a base powder.
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Calcium Carbonate is found in chalk, limestone, marble and travertine.
Calcium Carbonate has a gazillion uses that are not related to cosmetics. It is a filler in plastics, in paint, a whitening agent in ceramics, in toothpaste, to make chalk, it is used as a dietary supplment . . . and on and on.
Calcium Carbonate absorbs moisture. So, it is often added to face powders to increase the ability of the makeup to absorb moisture.
In cosmetics, Calcium Carbonate makes a great absorber in foundations, primers and finishing powders. Use in a percentage of about 2-5% of the formula to start.
Our Calcium Carbonate is a mineral, but when it is processed, the lubricants used on the machines that process it, may not be vegan.