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Skin Conditioning

JUGLANS MANDSHURICA BARK EXTRACT

Updated
60

Safety score · 0–100

Fine

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

About

Bark extract from the Manchurian walnut. Tannin- and polyphenol-rich with antioxidant and astringent action. Walnut juglone can sensitize and stain skin.

Function

SKIN CONDITIONING - HUMECTANT

Skin benefits

  • Tannin and polyphenol content
  • Antioxidant activity
  • Astringent skin-toning
  • Traditional skin uses

Known concerns

  • Walnut bark may contain juglone, a known sensitizer
  • Possible staining and irritation
  • Avoid for tree-nut allergic users with sensitive skin
  • Limited cosmetic safety review

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.