Calcium carbonate is a common mineral found in rocks like limestone and marble. In cosmetics, it's primarily used as a mild abrasive, helping to polish surfaces like teeth. It can also function as an opacifier, making products appear less transparent.
NoneAbrasive, opacifierVeganEvidence: Medium
BenefitModerate 1.5 / 4
RiskLow 0.5 / 4
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
mild abrasive action
opacifying agent
Things to watch
potential for abrasion if used excessively
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Yes, calcium carbonate is generally recognized as safe for use in toothpaste. It acts as a mild abrasive to help remove plaque and surface stains from teeth.
Can calcium carbonate irritate skin?
When used topically, calcium carbonate is generally considered non-irritating. Its primary role in skincare is often as a filler or absorbent, not as an active ingredient.
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