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Chelating Agent

POTASSIUM HYDROGEN CAPRYLHYDROXAMATE

CAS 23261-75-8/ 7377-03-9 Updated
78

Safety score · 0–100

Fine

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

About

A hydroxamic-acid-based chelating agent often paired with caprylyl glycol as a "natural" preservative-boosting alternative to EDTA. Generally well-tolerated, though hydroxamic acids carry some sensitization potential at higher levels.

Function

CHELATING

Skin benefits

  • Effective chelating agent for metal ions
  • Acts as a natural alternative to EDTA
  • Provides preservation boost in low-pH systems
  • Often used with caprylyl glycol

Known concerns

  • Hydroxamic acids can be mild skin sensitizers
  • Performance is pH-dependent
  • Limited long-term human safety studies

References

EU

EU CosIng database

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

Related chelating agents

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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.