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pH Adjuster

DISODIUM TARTRATE

CAS 868-18-8 Updated
84

Safety score · 0–100

Good

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

About

The disodium salt of tartaric acid, used as a gentle pH buffer and chelator in cosmetics. Food additive (E335) safety record, with no documented dermal toxicity at typical use levels.

Function

BUFFERING

Skin benefits

  • Mild pH buffer
  • Skin compatible
  • Naturally occurring
  • Food-grade safety profile

Known concerns

  • No significant concerns at cosmetic concentrations

References

EU

EU CosIng database

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

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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.