PPG-9-Steareth-3
AKA “RefChem:868360, 2-methyloxirane;1-octadecoxyoctadecane;oxirane, SCHEMBL29394757, QNYWMNCOJRYQJB-UHFFFAOYSA-N”
Emollient
Ingredient Facts
PPG-9-Steareth-3
AKA: RefChem:868360, 2-methyloxirane;1-octadecoxyoctadecane;oxirane, SCHEMBL29394757, QNYWMNCOJRYQJB-UHFFFAOYSA-N
Emollient · Emollient · EWG: 4
Plant-Derived
Emollient
Skin Conditioner
Plant Oil
Not Clean
Oxirane, methyl-, polymer with oxirane, monooctadecyl ether
Formula
C41H84O3
Mol. Weight
625.10
CAS #
9038-43-1
Form
Liquid
See origin →
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Developed in the mid-20th century as a synthetic surfactant and emulsifier. Designed to create stable, smooth-textured emulsions in creams and lotions.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR