Polyperfluoroethoxymethoxy Difluoroethyl PEG Diisostearate
molecular structure · PubChem
AKA: Fluorinated PEG Ester, Perfluorinated Emollient
Plant-Derived
Skin Conditioner
Not Clean
OriginDerived from isostearic acid and polyethylene glycol (PEG) polymers combined with perfluorinated compounds. Synthesized through esterification of isostearic acid with a fluorinated PEG ether intermediate.
Diester of isostearic acid and polyperfluoroethoxymethoxy difluoroethyl PEG ether
CAS #
162492-15-1, 88645-29-8
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR
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