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Restricted fragrance aldehyde

HYDROCINNAMALDEHYDE

CAS 104-53-0
50

Safety score · 0–100

Moderate

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

Aromatic aldehyde fragrance ingredient with floral hyacinth note used in perfumery. Subject to IFRA usage limits due to skin sensitization potential common to aromatic aldehydes.

Skin benefits

  • Provides floral hyacinth fragrance note in perfumery
  • Versatile ingredient in floral fragrance accords
  • Common building block in fine fragrance

Known concerns

  • Aldehyde structural alert for skin sensitization
  • IFRA standards restrict use level
  • Potential cross-reactivity with related aromatic aldehyde allergens
  • Schiff-base reactivity with skin proteins

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.