Polyglyceryl-4 Isostearate/Laurate

Polyglyceryl-4 Isostearate/Laurate molecular structure
molecular structure · PubChem
AKA: Isostearic/Lauric Acid Polyglyceryl Ester, Mixed Chain Emollient
Plant-Derived
Cleanser
Emulsifier
Not Clean
OriginDerived from coconut and palm oils, which provide the fatty acids (lauric and isostearic acid) and glycerin. Synthesized through esterification of polyglyceryl compounds with mixed fatty acids under catalytic conditions.
Ester of tetraglycerol and a mixture of isostearic acid and lauric acid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Locks In Moisture
Wound Healing
Mixes Oil & Water
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2023
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR