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Fragrance

HYDROXYCITRONELLAL DIMETHYL ACETAL

CAS 141-92-4 Updated
60

Safety score · 0–100

Fine

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

About

A more stable acetal form of hydroxycitronellal — a floral fragrance with classic muguet notes. Generally milder than the parent, but the underlying allergen profile still applies for sensitive users.

Function

PERFUMING

Skin benefits

  • Floral fragrance ingredient
  • Acetal form is more stable than parent aldehyde
  • Lower irritation potential than free hydroxycitronellal

Known concerns

  • Parent hydroxycitronellal is an EU-listed fragrance allergen
  • Acetal can hydrolyse to aldehyde over time
  • Class-level fragrance sensitization concern

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.