PEG-25 Soy Sterol
AKA “PEG-25 Soy Sterol, Soy Sterol Derivative”
Surfactant
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Ingredient Facts
Peg-25 soy sterol
AKA: Soy Sterol Derivative
Surfactant · Emulsifying · EWG: 5
Synthetic
Cleanser
Emulsifier
Not Clean
Sterols, soya (Glycine soja), ethoxylated (25 mol EO average molar ratio)
See origin →
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.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Soy
EWG
5
CIR
Reviewed by CIR
Pregnancy
Yes
CIR Safety Findings
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR