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Skin Conditioning

POLYGONUM TINCTORIUM LEAF EXTRACT

Updated
65

Safety score · 0–100

Fine

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

About

Japanese indigo leaf extract — a Polygonaceae botanical with indigo and indirubin pigments used for anti-inflammatory and skin-soothing effects. Generally tolerated; can stain at higher use levels.

Function

SKIN CONDITIONING

Skin benefits

  • Indigo-derived anti-inflammatory action
  • Soothes redness and itch
  • Antimicrobial support

Known concerns

  • Indigo pigments can stain skin and fabrics
  • Limited 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.