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2,4-HEXADIENOL

CAS 111-28-4
58

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

2,4-hexadienol is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.

2,4-Hexadienol is an unsaturated aliphatic alcohol used in fragrance compositions; it is subject to EU Annex III declaration requirements as a known fragrance allergen and has been associated with contact allergy and photoallergy. The compound shares structural features with sorbate derivatives that may exacerbate sensitisation in susceptible individuals.

Skin benefits

  • Fragrance function

Known concerns

  • Fragrance allergen (EU Annex III)
  • Contact allergy risk
  • Photoallergy

References

EU

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.