PEG-40 Soy Sterol

PEG-40 Soy Sterol

AKA “PEG soy sterol, polyethylene glycol soy sterol”

Surfactant

Ingredient Facts

Peg-40 soy sterol

AKA: PEG soy sterol, Polyethylene glycol soy sterol

Surfactant · Cleansing · EWG: 4

Synthetic

Cleanser

Emulsifier

Not Clean

Sterols, soya (Glycine soja), ethoxylated (40 mol EO average molar ratio)

CAS #

-

Form

Liquid

See origin →

Functions

Cleansing

Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Cleansing Surfactant

Emulsifier

Antioxidant Protection

Wound Healing

Removes Impurities

Mixes Oil & Water

Traditional Use

A modern botanical-derived emulsifier combining soy sterols (plant compounds extracted from soybean oil, used historically in traditional Asian medicine) with polyethylene glycol. Developed to create a more natural emulsifier while maintaining modern cosmetic performance.