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Fragrance

HEXANAL

CAS 66-25-1
50

Safety score · 0–100

Moderate

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

A six-carbon aldehyde with a green grassy odor used as a fragrance component. Carries skin, eye and respiratory irritation classifications, so used at trace fragrance levels only.

Skin benefits

  • Provides green leafy/grassy fragrance note
  • Naturally occurring aldehyde
  • Used at very low ppm levels

Known concerns

  • Skin and eye irritant (H315/H319)
  • Respiratory irritant (H335)
  • Volatile aldehyde — sensitization risk

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.