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Sensitising fragrance aldehyde

METHOXYCINNAMAL

CAS 1504-74-1
42

Safety score · 0–100

Moderate

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

Methoxycinnamal is a cinnamic aldehyde fragrance ingredient with a floral profile. Like other cinnamic aldehydes it is a known skin sensitiser, requiring labelling and concentration controls.

Function

ANTIOXIDANT

Skin benefits

  • Provides a sweet floral fragrance note characteristic of cinnamic aldehydes
  • Acts as a flavour and fragrance intermediate

Known concerns

  • Cinnamic aldehydes are well-established skin sensitisers and contact allergens
  • Cross-reactivity with cinnamal listed among 26 EU declarable allergens
  • Photoreactivity possible due to the conjugated cinnamate structure
  • IFRA standards restrict cinnamic aldehyde derivatives in leave-on products

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.