A phosphate ester of ethoxylated cetyl alcohol, used as a cleansing surfactant.
What it is
Ceteth-20 phosphate is the phosphate ester of the polyethylene glycol ether of cetyl alcohol with an average of 20 ethylene oxide units. CosIng lists it as a cleansing and cleansing-surfactant ingredient.
Where it is used
Appears on the ingredient lists of a small number of 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.
- 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.

