PEG-2 Soyamine
AKA “Polyethylene glycol 2 soyamine, PEG 2 soyamine”
Surfactant
Ingredient Facts
Peg-2 soyamine
AKA: Polyethylene glycol 2 soyamine, PEG 2 soyamine
Surfactant · Cleansing · EWG: 3
Synthetic
Cleanser
Emulsifier
Not Clean
Amines, soya alkyl, ethoxylated (2 mol EO average molar ratio)
CAS #
61791-24-0
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
Reduces Inflammation
Wound Healing
Fights Bacteria
Removes Impurities
Mixes Oil & Water
Traditional Use
Modern synthetic emulsifier created by ethoxylating soy-derived amines in the 20th century. Engineered to improve texture and stability in cosmetic formulations.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
3
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