Polyglyceryl-4 Isostearate
Reviewed by Kate · Last updated 18 Aug 2026
Functions as an emollient | Can also be a surfactant
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What Is Polyglyceryl-4 Isostearate?
The ester of isostearic acid and polyglycerin-4 that functions as an emollient and can also be a surfactant.
How widely it's used
Regulatory information
Standardised cosmetic-ingredient identifiers used by regulators.
Show identifiers
- INCI Name
- POLYGLYCERYL-4 ISOSTEARATE
- EC Number
- -
- Function
- Emulsifying
From the Clinic
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