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Skin Conditioning

PETASITES JAPONICUS ROOT EXTRACT

CAS 91845-41-9 Updated
42

Safety score · 0–100

Moderate

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

About

A Japanese butterbur root extract that has anti-inflammatory uses. Only the PA-free, certified form is safe for skincare; raw extract carries liver-toxin alkaloids.

Function

SKIN CONDITIONING

Skin benefits

  • Sesquiterpenes with anti-inflammatory action
  • Traditional Japanese herbal extract
  • Mild antioxidant

Known concerns

  • Whole-plant butterbur contains hepatotoxic pyrrolizidine alkaloids
  • PA-free certification required for safe use
  • Genotoxicity flag for unprocessed material

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.