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ETHYL TRIMETHYLBENZOYL PHENYLPHOSPHINATE

Updated
20

Safety score · 0–100

Caution

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

About

TPO, a UV photoinitiator used in gel nail products. Reclassified by the EU as a reproductive toxicant (CMR 1B) and banned for use in cosmetics from September 2025.

Function

UV ABSORBER

Skin benefits

  • UV-curing initiator for gel nail products
  • Builds hard cured polymer film

Known concerns

  • EU SCCS classified TPO as CMR — banned in cosmetics from Sep 2025
  • Reproductive toxicity concern
  • Skin sensitization

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.