Propylene Glycol Soyate
AKA “Propylene Glycol Soy Ester”
Surfactant
Ingredient Facts
Propylene glycol soyate
AKA: Propylene Glycol Soy Ester
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Not Clean
Fatty acids, soya, esters with propylene glycol
Effective at 1.0%
CAS #
67784-79-6
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks in moisture
Traditional Use
Synthetic ester combining propylene glycol with soybean oil fatty acids, developed for cosmetics. Created to provide emollient properties while incorporating benefits associated with plant-derived ingredients.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Soy
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
9.9e-05%
2.0%
0%14%
Effective Range
CIR reported use: 0.000099-2
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR