AMMONIA is graded B** (Low Concern) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.

AMMONIA

Safety grade: B**

Ammonia is a colorless gas with a pungent smell that is commonly used in cleaning products. In cosmetics, it's a weak alkaline substance that helps balance pH and can mask or reduce unpleasant odors in formulations.

Ammonia adjusts the pH level of cosmetic products to keep them stable and effective, while also helping to neutralize or mask unwanted smells in the formula.

Graded using: COSING.

Last verified: May 26, 2026

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