SPF Scout · Ingredient

Calcium Carbonate

Abrasive (physically scrubs)Buffering (holds the formula at a set acidity)Bulking agent (adds volume)Opacifier (makes the formula less see-through)Oral care (CosIng functional class)

What this ingredient generally does

A mineral powder that does several jobs: it adds bulk, acts as a mild abrasive, and stabilizes the acidity level. It also makes the product more opaque, so it looks less see-through, and appears in oral care products.

Reviewed before publication. This note describes function in a formulation, and nothing else.

Published formulations that list this ingredient

These are the formulations currently published in the SPF Scout catalog whose stored ingredient declaration includes this ingredient. It is not a list of every product on the market, and the order carries no meaning.

Checking this against your own list

You can select this ingredient in the SPF Scout app as one to flag. The app compares your selections against a product's stored declaration on your device; your list never reaches this website.

This comparison does not predict whether your skin will react.

Where this information comes from

Ingredient names, CAS numbers and recorded functions come from SPF Scout’s curated ingredient dictionary, grounded in CosIng, the European Commission’s Cosmetic Ingredient Database. Content © European Union, reused with acknowledgement.

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