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AMMONIUM BISULFITE

CAS 10192-30-0
58

Safety score · 0–100

Moderate

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

About

A reducing agent used in cosmetics that can trigger allergic reactions in people sensitive to sulfites.

Ammonium bisulfite is an inorganic sulfite salt used as an antioxidant and reducing agent in cosmetic formulations. It is listed in EU Annex III with specific restrictions due to its potential to cause contact dermatitis and allergic reactions, particularly in sulfite-sensitive individuals. The EU requires specific labeling and concentration limits under Regulation 1223/2009.

Skin benefits

  • Antioxidant properties
  • Preservative helper in formulations

Known concerns

  • Skin sensitizer (sulfite allergy)
  • Can cause contact dermatitis in sensitive individuals
  • Airborne exposure risk

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.