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Fragrance

TRANS, TRANS-TRIMETHYLPENTADECATRIENONE

CAS 1117-52-8
58

Safety score · 0–100

Moderate

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

Trans,trans-farnesylacetone — a polyunsaturated ketone used as a fragrance with woody-floral character. Public safety data are sparse; treated cautiously as a fragrance.

Skin benefits

  • Floral-woody fragrance compound
  • Used at very low %

Known concerns

  • Sesquiterpenoid ketone fragrance — sensitization possible
  • Limited public safety data
  • Polyunsaturated structure prone to oxidation

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