Synthetic fragrance
7-ISOPROPYL-5-METHYLBICYCLOOCTENE-2-CARBONITRILE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A bicyclooctene carbonitrile fragrance molecule used for fresh green woody nuances. Public cosmetic safety data is limited and the nitrile group plus general fragrance allergen burden warrant cautious use levels.
Skin benefits
- Synthetic nitrile fragrance ingredient providing fresh, green, slightly woody scent character
- Used by perfumers to bridge top and middle notes in fine and functional fragrance
Known concerns
- Nitrile group can release small amounts of cyanide on extensive metabolism, raising class caution
- Synthetic fragrance materials add to overall fragrance load, which is a leading driver of allergic contact dermatitis
- Limited published cosmetic safety review specific to this bicyclooctene carbonitrile
- IFRA category limits may apply but the molecule is not a household-name commodity material
References
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.