Fragrance
OCTAHYDRO-PENTAMETHYL-INDENE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A polycyclic hydrocarbon indene-type fragrance material for woody/musky character. Polycyclic musk class has bioaccumulation scrutiny.
Octahydro-pentamethyl-indene (CAS 33704-60-8) is a polycyclic saturated hydrocarbon used in perfumery for woody/musky notes. Polycyclic musk class (galaxolide, tonalide analogs) has received scientific scrutiny for environmental persistence and bioaccumulation; the specific compound here has a thin public dossier. IFRA/RIFM govern industry use. Default-down applied.
Function
Skin benefits
- Woody-musky fragrance note
Known concerns
- Polycyclic musk class environmental concerns
- Thin public dossier
- Potential bioaccumulation
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.