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Chelating Agent

TETRASODIUM ETIDRONATE

CAS 3794-83-0
80

Safety score Β· 0–100

Good

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

The tetrasodium salt of etidronic acid β€” a strong chelating agent that grabs metal ions to keep products stable, clear and well-preserved. Safe at typical trace concentrations in cosmetics.

Skin benefits

  • Strong chelator β€” binds metal ions to stabilise products
  • Prevents discolouration and rancidity
  • Extends preservative efficacy

Known concerns

  • Phosphonate environmental persistence
  • Mild skin/eye irritation at high concentrations
  • Bone-related medical activity (only at oral doses, not topical)

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

View β†’

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SODIUM DIMALTODEXTRIN PHOSPHATE
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SODIUM GLUCEPTATE
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SODIUM TRIMETAPHOSPHATE
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BETA-ALANINE DIACETIC ACID
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.