Fragrance
TRIMETHYL-8-METHYLENEBICYCLO-4-UNDECENE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Longifolene, a woody-pine sesquiterpene used as a fragrance fixative. Sesquiterpenes can sensitize especially after oxidation, so it sits mid-yellow.
Function
Skin benefits
- Woody-pine fragrance sesquiterpene
- Naturally in pine resin
- Used at trace %
Known concerns
- Sesquiterpene fragrance sensitizer risk
- Oxidation products may irritate
- IFRA caps in leave-on
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related fragrances
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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.