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Bulking Agent

SYNTHETIC SAPPHIRE

Updated
92

Safety score · 0–100

Excellent

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

About

A highly purified crystalline form of aluminum oxide used as an inert bulking and opacifying mineral in cosmetics. Chemically inactive and exceptionally well-tolerated on skin at cosmetic-grade purity.

Function

BULKINGOPACIFYING

Skin benefits

  • Inert crystalline aluminum oxide used as bulking and opacifying agent
  • Chemically and biologically non-reactive at cosmetic grades
  • Excellent thermal and mechanical stability

Known concerns

  • No significant concerns at cosmetic concentrations
  • Particle-size considerations for inhalation in spray applications

References

EU

EU CosIng database

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

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Check your shelf

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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.