An ammonium alkyl sulfate, used as a cleansing and foaming surfactant.
What it is
Ammonium C12-16 alkyl sulfate is the ammonium salt of sulfuric acid monoesters of C12-16 fatty alcohols, an anionic surfactant. CosIng lists it as a cleansing, foaming and cleansing-surfactant ingredient.
Where it is used
Appears on the ingredient lists of a small number of cleansing products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
Functions
- Cleansing
- Helping to keep the body surface clean.
- Foaming
- Traping numerous small bubbles of air or other gas within a small volume of liquid by modifying the surface tension of the liquid.
- Surfactant – cleansing
- Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

