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Fragrance

4-TERT-BUTYLDIHYDROCINNAMALDEHYDE

CAS 18127-01-0 Updated
50

Safety score · 0–100

Moderate

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

About

Bourgeonal — a lily-of-the-valley fragrance aldehyde. Restricted by IFRA to low concentrations because of skin sensitization risk; safe under those limits.

Function

PERFUMING

Skin benefits

  • Fragrance

Known concerns

  • IFRA-restricted sensitizer
  • Fragrance allergen
  • Eye/skin irritant neat

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 — always read the physical product label and consult a healthcare professional for personal concerns.