Science
Mechanism of Action
This compound exhibits antimicrobial characteristics, indicating a potential role as a natural preservative in cosmetic formulations. Current research is also exploring its broader applications in drug development, though its direct mechanism for skin benefit is not clinically established.
Research
Clinical Evidence
Low confidenceN/A
Transparency
Dusting Analysis
The Formula
Formulation
Stability
For optimal stability, Trans-2-undecenal should be stored in sealed containers, ideally refrigerated between 0–8 °C, and protected from both light and heat.
Safety
Safety Profile
While Trans-2-undecenal holds approval for flavor use under FEMA and JECFA standards, with JECFA concluding no safety concern at current intake levels in food, its safety profile for topical skin application is concerning. Data indicates it causes skin irritation (H315, 97.8% of reports), may induce an allergic skin reaction (H317, 88.1% of reports), and causes serious eye irritation (H319, 88.1% of reports). The Research Institute for Fragrance Materials (RIFM) has identified its potential to induce skin sensitization in a subset of individuals. Although the International Fragrance Association (IFRA) considers it 'unrestricted' for use in fragrance concentrates, recommending usage levels up to 0.5000% to 1.0000%, protective measures are strongly advised during handling to prevent inhalation and direct skin/eye exposure.
Your Skin
Skin Compatibility
Our Assessment
Verdict
Despite its perfuming qualities and potential antimicrobial benefits, the high risk of skin irritation and sensitization renders Trans-2-undecenal unsuitable for precision skincare formulations.
Related
Similar Ingredients
Finding similar ingredients…