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Fentin hydroxide

CAS 76-87-9
15

Safety score · 0–100

Avoid

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

About

An organotin compound that is a potent aquatic toxicant and has no place in any cosmetic formulation intended for human use.

Fentin hydroxide (triphenyltin hydroxide) is an organotin fungicide and biocide. Organotin compounds are among the most ecologically persistent chemicals in commerce, being toxic to aquatic organisms at very low concentrations and bioaccumulating in marine food chains. Fentin compounds are not authorized for cosmetic use under EU Regulation 1223/2009 and have no safety assessment from the SCCS for topical application.

Known concerns

  • Organotin compound – environmental hazard
  • Aquatic toxicity
  • No EU cosmetics authorization
  • Bioaccumulative in marine organisms

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.