NON-2-ENAL
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
NON-2-ENAL is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
NON-2-ENAL (trans-2-nonenal or 2-nonenal) is an alpha,beta-unsaturated aldehyde with strong fatty, green odor notes. Like other unsaturated aldehydes, it presents skin sensitization risks and is subject to IFRA restrictions. It is not specifically listed in EU cosmetic regulation Annexes but falls under general fragrance allergen labeling requirements under Regulation 1223/2009.
Known concerns
- Skin sensitizer (alpha,beta-unsaturated aldehyde)
- Fragrance allergen (IFRA restricted)
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.