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Bulking Agent

BORON NITRIDE

CAS 10043-11-5 Updated
88

Safety score · 0–100

Good

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

About

A mineral powder with an incredibly silky feel — used in foundations and powders for soft-focus blur and oil absorption. Chemically inert, hexagonal-crystal cousin of graphite; very safe.

Skin benefits

  • Silky soft-focus optical effect in makeup
  • Excellent oil absorption
  • Chemically inert and stable
  • Adds slip and adhesion to pressed powders

Known concerns

  • Inhalation precautions during manufacturing
  • No skin penetration
  • No significant safety concerns in finished products

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.