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Antioxidant

HORSERADISH PEROXIDASE

CAS 9003-99-0 Updated
66

Safety score · 0–100

Fine

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

About

Horseradish peroxidase, an enzyme from horseradish root. Used in cosmetic antioxidant systems. Generally mild but, as a protein, can sensitise some users.

Skin benefits

  • Catalyses substrate oxidation in active systems
  • Helps stabilise antioxidant chemistry
  • Plant-derived enzyme

Known concerns

  • Protein-based — potential allergen
  • Activity sensitive to pH and temperature
  • Sparse cosmetic-specific safety 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.