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Preservative

MEA O-PHENYLPHENATE

CAS 84145-04-0
22

Safety score · 0–100

Caution

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

A monoethanolamine salt of o-phenylphenol used as a preservative — but o-phenylphenol is IARC Group 2B (possibly carcinogenic) and EU-restricted in cosmetics.

Function

ANTIMICROBIAL

Skin benefits

  • Effective broad-spectrum biocide
  • Used at very low percentages
  • Low water solubility limits leaching

Known concerns

  • Possible carcinogen — IARC Group 2B for o-phenylphenol
  • Skin and eye irritant
  • EU restricted use as preservative
  • Endocrine concerns under review

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, so always read the physical product label and consult a healthcare professional for personal concerns.