trans-2-hexenal
Safety score · 0–100
Moderate
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Trans-2-hexenal is a cosmetic ingredient used in product formulation. Exercise caution due to limited available safety data.
trans-2-Hexenal (alpha-hexenal) is an alpha,beta-unsaturated aldehyde with strong green, grassy odor characteristics. It is listed in EU Annex III with a restriction limit of 0.002% in finished cosmetic products due to its documented skin sensitization potential. It is also subject to IFRA restrictions as a fragrance allergen. The compound shows moderate aquatic toxicity (H412).
Known concerns
- Skin sensitizer (EU Annex III restricted, 0.002% limit)
- Fragrance allergen (IFRA restricted)
- Aquatic toxicity (H412)
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, so always read the physical product label and consult a healthcare professional for personal concerns.