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pH Adjuster

POTASSIUM CARBONATE

CAS 584-08-7 Updated
62

Safety score · 0–100

Fine

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

About

A simple alkaline salt (potash) used to raise pH in formulas. Safe in finished products that are properly neutralized; raw material is irritating to skin and eyes and must stay below cosmetic-end pH targets.

Function

BUFFERING

Skin benefits

  • pH adjuster
  • Buffering agent
  • Low residual after rinse-off
  • Long industrial track record

Known concerns

  • Skin and eye irritation in concentrate
  • High pH if unbalanced
  • Not for leave-on without neutralization

References

EU

EU CosIng database

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

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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.