Curi/Atlas/PEG-8 Isostearate
INCI · emollient · CIR review pending · used in 3 products

PEG-8 Isostearate

PEG-8 Isostearate is a polyethylene glycol ester of isostearic acid with an average of 8 moles of ethylene oxide. Its chemical name is poly(oxy-1,2-ethanediyl), α-(1-oxoisooctadecyl)-ω-hydroxy- (8 mol EO average molar ratio), with CAS number 56002-14-3. It is primarily used as an emulsifying agent in cosmetic formulations. It appears frequently in cleansing oils and cleansing balms.

Evidence level
weak
EWG score
Comedogenic
Category
emollient

● Benefits

PEG-8 Isostearate functions as an emulsifier, helping to blend oil and water phases in cosmetic formulations. Its presence in numerous cleansing oils and balms suggests it aids in the solubilization and removal of makeup and sebum. No additional skin benefits beyond its emulsifying role are described in the source.

emulsifying
● Cautions

Where Curi finds it.