Soybean Oil Propylene Glycol Esters
AKA: Propylene glycol soybean esters
Plant-Derived
Emollient
Skin Conditioner
Not Clean
Soybean Oil Propylene Glycol Esters is the product obtained by the transesterification of Glycine Soja (Soybean) Oil with propylene glycol
Effective at 1.0%
Family
Fabaceae (Legume family)
Plant Part
Bean
CAS #
-
Form
Oil
Functions
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
Modern cosmetic ingredient created by esterifying soybean oil with propylene glycol. Developed as a natural-origin emollient and emulsifier to leverage soybean's traditional moisturizing properties while improving stability in cosmetic formulas.
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%
Reported use
CIR reported use: 0.000099-2
Regulatory Agencies
Skin Types
●all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR