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Skin Conditioning

PHYTONADIONE

CAS 81818-54-4/ 84-80-0/ 11104-38-4 Updated
72

Safety score · 0–100

Fine

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

About

Vitamin K1 (phytonadione), used topically to support skin barrier and reduce bruising. Real contact-dermatitis case reports keep it in yellow despite vitamin status.

Skin benefits

  • Supports bruise resolution
  • Skin barrier conditioning
  • Used post-procedure topically
  • Vitamin K family

Known concerns

  • Contact dermatitis case reports
  • EU restricted in some product categories
  • Phototoxicity historically reported
  • Use purified pharmaceutical grade

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.