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Fragrance

2,5-DIMETHYL-2-VINYLHEX-4-ENAL

CAS 56134-05-5
50

Safety score · 0–100

Moderate

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

A reactive unsaturated aldehyde used as a fragrance ingredient. Aldehyde+vinyl chemistry carries sensitization risk; very limited cosmetic safety data drives caution.

Function

PERFUMING

Skin benefits

  • Provides green-floral aldehyde note

Known concerns

  • Aldehyde sensitization
  • Sparse public data
  • Reactive Michael-acceptor

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.