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pH Adjuster

SODIUM BICARBONATE

CAS 144-55-8
84

Safety score · 0–100

Good

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

Baking soda — used as a pH buffer, mild abrasive or deodorant in cosmetics. Safe at low %; high % can disrupt skin's natural acid mantle.

Function

ABRASIVEBUFFERINGDEODORANTORAL CARESKIN PROTECTING

Skin benefits

  • pH buffer and adjuster
  • Mild abrasive in toothpaste
  • Deodorant-active in some formulas
  • Inexpensive and inert

Known concerns

  • Alkaline — can disrupt skin acid mantle if used heavily
  • Eye irritation in concentrate
  • Not a substitute for proper skincare actives

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.