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Fragrance

HEXAHYDRO-TETRAMETHYL-EPOXY-METHANOAZULENE

CAS 67710-71-8
65

Safety score · 0–100

Fine

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

A specialty amber/woody fragrance molecule — used at low % with standard fragrance-allergy caveats.

Hexahydro-tetramethyl-epoxy-methanoazulene is a synthetic polycyclic terpenoid fragrance ingredient with woody/amber olfactory character. It belongs to a class of cyclic fragrance materials used at low percentages in fine fragrance and functional products. Like most fragrance terpenoids it is subject to IFRA/RIFM guidance on maximum concentration by product type, based on dermal sensitization data. Independent public toxicology data for this specific compound are limited; the epoxy/polycyclic structure is consistent with controlled fragrance use but warrants adherence to manufacturer-recommended levels.

Function

PERFUMING

Skin benefits

  • Woody/amber fragrance notes
  • Used at low % in fine fragrance
  • IFRA/RIFM-regulated class

Known concerns

  • Polycyclic/epoxide structure warrants caution
  • Skin sensitization potential typical for fragrance terpenoids
  • Limited independent public toxicology data

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.