A polyglycerol ester of isostearic acid, used as an emulsifier.
What it is
Polyglyceryl-10 diisostearate is the diester of polyglycerin-10, a polyglycerol with an average of ten glycerol units, with isostearic acid, a branched C18 fatty acid. CosIng lists it as an emulsifying surfactant.
Where it is used
Found in a small number of products, such as creams, cleansing oils and makeup.
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.
The INCI name does not show the exact distribution of the ester mixture.
Functions
- Surfactant – emulsifying
- Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

