INCI name

PEG-40 SORBITAN PERISOSTEARATE

PEG-40 sorbitan perisostearate

An ethoxylated sorbitan ester used as an emulsifier and cleansing surfactant.

What it is

PEG-40 sorbitan perisostearate is an ethoxylated sorbitan esterified with isostearic acid (about four acid units per sorbitan), with an average of 40 ethylene oxide units. CosIng lists it as an emulsifying and cleansing surfactant.

Where it is used

Found in cleansing oils, makeup removers, bath oils and creams.

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 number 40 refers to the average number of ethylene oxide units; the label does not show the concentration used.

Functions

Surfactant – emulsifying
Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
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.

Products with this ingredient (17)

Check a full ingredient list