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Antioxidant

METHOXYCINNAMIC ACID

CAS 943-89-5 Updated
72

Safety score · 0–100

Fine

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

About

An aromatic acid (p-methoxycinnamic acid) related to common UV-filter chemistry. Used at low levels for UV-absorbing and antioxidant effects. Generally well tolerated.

Function

LIGHT STABILIZERUV FILTER

Skin benefits

  • UV-absorbing aromatic acid
  • Antioxidant activity
  • Precursor to common UV filters

Known concerns

  • May irritate at higher concentrations
  • Limited cosmetic-grade purity data

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.