Fragrance ingredient
TRIMETHYL-5,7-DECADIEN-2-ONE
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A synthetic ketone used as a fragrance ingredient for woody-green nuances. Use should be limited to IFRA-permitted levels to manage skin sensitization risk from this class of chemistry.
Skin benefits
- Fragrance ingredient with woody or green-floral notes
- Adds character to perfume accords
Known concerns
- Fragrance chemicals with conjugated dienes can pose sensitization risk
- Limited public safety data outside IFRA documentation
- Should be controlled to IFRA category limits
- Possible eye irritation at high neat concentration
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related fragrance ingredients
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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.