PEG-25 Soy Sterol
molecular structure · PubChem
AKA: Soy Sterol Derivative
Allergen Warning
⚠️ Soy
Synthetic
Cleanser
Emulsifier
Not Clean
Sterols, soya (Glycine soja), ethoxylated (25 mol EO average molar ratio)
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Locks In Moisture
Mixes Oil & Water
Traditional Use
Soy sterols are compounds extracted from soybeans, which have been used in traditional Asian diets for their health benefits. This PEG-modified version was developed to improve its incorporation into skincare products for potential skin conditioning benefits.
EWG
5
CIR
Reviewed by CIR
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR