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pH Adjuster

POTASSIUM CITRATE

CAS 866-84-2
88

Safety score · 0–100

Good

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

Potassium citrate — the potassium salt of citric acid, used to balance pH and bind trace metals. Food-grade safety with no documented skin concerns at cosmetic levels.

Function

BUFFERINGCHELATING

Skin benefits

  • Stabilizes formula pH
  • Mild chelating agent
  • Food-grade safety profile

Known concerns

  • Primarily a processing aid

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.

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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.