PEG-6 Diisostearate
molecular structure · PubChem
AKA: Polyethylene Glycol 6 Diisostearate
Plant-Derived
Cleanser
Emulsifier
Not Clean
OriginDerived from diisostearic acid (a branched saturated fatty acid) and ethylene glycol. Synthesized through ethoxylation, attaching polyethylene glycol chains to the fatty acid ester backbone.
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxoisooctadecyl)-.omega.-[(1-oxoisooctadecyl)oxy]- (6 mol EO average molar ratio)
Form
Liquid
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.
Surfactant Emulsifying
Moisturizing
Strengthens Barrier
Mixes oil and 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's newest survey reports no concentration of use.
CIR · 2014 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR
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