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Emulsifier

CETYL PHOSPHATE

CAS 3539-43-3 Updated
80

Safety score · 0–100

Good

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

About

An anionic phosphate ester emulsifier — used widely in sunscreens and creams. Considered well tolerated and helps stabilise mineral UV filter systems.

Skin benefits

  • Anionic emulsifier and pH adjuster
  • Stabilises sunscreen emulsions
  • Compatible with mineral UV filters
  • Low irritation

Known concerns

  • Mild eye irritation at higher %

References

EU

EU CosIng database

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

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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.