PEG-6 Distearate

AKA: 9005-08-7, Ethane-1, 2-diol;heptadecanoic acid, Ethylene glycol;heptadecanoic acid, QYJQHDWGURXGNL-UHFFFAOYSA-N, C19H40O4, Protamate 200-DS(TM), PEG-4 Distearate(TM)
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxooctadecyl)-.omega.-[(1-oxooctadecyl)oxy]- (6 mol EO average molar ratio)
Formula
C19H40O4
Mol. Weight
332.50
CAS #
9005-08-7
Form
Liquid
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
Traditional Use
A modern synthetic emulsifier combining PEG with stearic acid (derived from plant and animal fats). Developed in the mid-20th century to create more stable and elegant emulsions than traditional soap-based emulsifiers.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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: PubChem · CosIng · EWG · CIR