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Antioxidant

CAPRYLYL ITACONATE

CAS 3133-16-2 Updated
72

Safety score · 0–100

Fine

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

About

A caprylyl ester of itaconic acid used as an antioxidant. Likely low-risk at trace use, but the alpha,beta-unsaturated itaconate group is a sensitization structural alert.

Function

ANTIOXIDANT

Skin benefits

  • Itaconate-based antioxidant ester
  • Helps protect formula and skin from oxidative stress
  • Supports anti-aging and radiance claims

Known concerns

  • Itaconate alpha,beta-unsaturated structure is a Michael acceptor — possible sensitization alert
  • Limited public toxicology data
  • Niche INCI with sparse independent 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.