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Colorant

ALKANNA TINCTORIA ROOT EXTRACT

CAS 517-88-4 / 23444-65-7 / 85251-58-7 Updated
40

Safety score · 0–100

Moderate

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

About

Root extract of alkanet, source of red shikonin pigments. Traditionally soothing but raw extracts can carry hepatotoxic pyrrolizidine alkaloids, so refined cosmetic-grade material is essential.

Function

SKIN CONDITIONING

Skin benefits

  • Natural red color
  • Soothing
  • Mild antimicrobial

Known concerns

  • Pyrrolizidine alkaloid contamination risk
  • Hepatotoxic if PA-rich
  • Possible staining

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.