2,7-DIMETHYL-5-OCTEN-4-ONE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
2,7-DIMETHYL-5-OCTEN-4-ONE is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
2,7-Dimethyl-5-octen-4-one is structurally isomeric to the 6-octen isomer and serves as a fragrance ingredient. Like its isomer, it falls under IFRA allergen provisions and must be declared on EU product labels when present above 0.01% in leave-on products.
Skin benefits
- Fragrance ingredient
Known concerns
- IFRA-specified fragrance allergen
- Potential for skin sensitization
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 — always read the physical product label and consult a healthcare professional for personal concerns.