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Fragrance

TRANS,TRANS-ALLO-OCIMENE

CAS 3016-19-1
55

Safety score · 0–100

Moderate

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

Trans,trans-allo-ocimene — an acyclic monoterpene fragrance with a herbal odor. Like other terpenes, it oxidizes to skin sensitizers; treated cautiously in EU.

Skin benefits

  • Natural-occurring terpene
  • Herbal-floral fragrance

Known concerns

  • Terpene class — readily oxidizes to sensitizers
  • EU Annex III restrictions on non-limonene terpenes
  • Possible contact dermatitis

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.