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Chelating Agent

TRISODIUM HEDTA

CAS 139-89-9 Updated
72

Safety score · 0–100

Fine

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

About

A sodium-salt of HEDTA chelator used to bind trace metals and extend shelf life. Skin-safe at cosmetic levels; main downside is environmental persistence.

Skin benefits

  • Strong metal chelator extending shelf life
  • Stabilizes color and fragrance
  • Improves performance of preservatives

Known concerns

  • Eye irritation potential
  • Poor biodegradability
  • Possible enhanced trace metal mobilization

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.