PEG-8 Soyamine
AKA “PEGylated Soybean Amine”
Surfactant
Ingredient Facts
Peg-8 soyamine
AKA: PEGylated Soybean Amine
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Amines, soya alkyl, ethoxylated (8 mol EO average molar ratio)
CAS #
61791-24-0
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
Reduces Inflammation
Locks In Moisture
Fights Bacteria
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic derivative of soy-derived amines created in the late 20th century. Developed to function as a mild emulsifier and conditioning agent in cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR