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pH Adjuster

POTASSIUM BICARBONATE

CAS 298-14-6 Updated
88

Safety score · 0–100

Good

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

About

The potassium analog of baking soda — a mild mineral salt used to adjust pH or add fizz to bath formulations. Long food, pharma, and cosmetic safety history; only concern is alkalinity at neat or very high levels.

Function

BUFFERING

Skin benefits

  • Gentle buffering and pH adjustment
  • Food- and pharma-grade safety profile
  • Mild leavening/effervescent action in bath products
  • Naturally occurring mineral salt

Known concerns

  • Alkaline — neat use can briefly disturb skin pH
  • High concentrations may dry skin
  • 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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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.