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pH Adjuster

SODIUM CITRATE

CAS 68-04-2 / 6132-04-3 Updated
92

Safety score · 0–100

Excellent

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

About

The sodium salt of citric acid — a kitchen-safe pH buffer found in everything from skincare to soft drinks. Effectively unrestricted; one of the safest functional ingredients.

Function

BUFFERINGCHELATINGFRAGRANCE

Skin benefits

  • Gentle pH buffer in skincare
  • Mild chelating agent
  • Naturally occurring, food-grade safe

Known concerns

  • No significant concerns at cosmetic concentrations

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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Check your shelf

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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.