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pH Adjuster

AMMONIUM BICARBONATE

CAS 1066-33-7 Updated
78

Safety score · 0–100

Fine

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

About

Ammonium bicarbonate — a mild alkaline salt used in bath products as an effervescence builder and in cosmetics as a pH buffer. Safe at typical use levels; releases ammonia at higher pH, hence the caveats.

Skin benefits

  • Mild pH buffer/leavening agent
  • Effervescent bath product builder
  • Food-grade purity widely available

Known concerns

  • Ammonia release at pH > 8 — eye and respiratory irritation
  • Not suited to leave-on at higher %

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.