AMMONIUM HYDROXIDE is graded B** (Low Concern) by Expert·ING, based on COSING, FDA regulatory data. It is restricted under EU COSING — AnnexIII-CONCENTRATION-.
AMMONIUM HYDROXIDE
Ammonia Solution
Safety grade: B**
Ammonia solution is a colorless liquid made from ammonia gas mixed with water. It's a common cleaning agent found in many household products and has a distinctive pungent smell.
In cosmetics, ammonium hydroxide is used to adjust the pH level of products to keep them at the right acidity or alkalinity, and to make certain ingredients like hair dyes less able to be used on skin (a denaturant function).
Graded using: COSING, FDA.
- EU COSING — Restricted
Last verified: May 26, 2026
Other Buffering ingredients
- CITRIC ACID — Grade B
- SODIUM HYDROXIDE — Grade B
- LACTIC ACID — Grade B
- SODIUM CITRATE — Grade A
- TRIETHANOLAMINE — Grade C
- SODIUM LACTATE — Grade A
- POTASSIUM HYDROXIDE — Grade B**
- UREA — Grade B