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Absorbent

CALCIUM CARBONATE

CAS 471-34-1 Updated
88

Safety score · 0–100

Good

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

Chalk — an inorganic mineral used to mattify, buffer and gently exfoliate. Among the most inert cosmetic ingredients; only caveat is to avoid inhaling loose powder.

Function

ABRASIVEBUFFERINGBULKINGOPACIFYINGORAL CARE

Skin benefits

  • Inert opacifier and mattifier
  • Mild abrasive in scrubs and toothpaste
  • pH buffering

Known concerns

  • Inhalation of fine powder during application

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.