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Skin Conditioning

JUGLANS NIGRA LEAF EXTRACT

CAS 96690-56-1 (generic) Updated
64

Safety score · 0–100

Fine

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

About

Leaf extract from black walnut (Juglans nigra). Tannin- and juglone-rich for astringent and antioxidant skin conditioning. EWG rates safety low-risk; juglone can irritate at high topical levels.

Function

SKIN CONDITIONING - MISCELLANEOUS

Skin benefits

  • Naphthoquinone and tannin antioxidants
  • Astringent skin conditioning
  • Traditional treatment of acne/eczema
  • Not a tree-nut allergen (leaf-sourced)

Known concerns

  • Juglone irritant at higher levels
  • Possible contact dermatitis
  • Tannin drying effect

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.