Sodium Soyate
AKA “Soybean Oil Soap”
Surfactant
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Ingredient Facts
Sodium soyate
AKA: Soybean Oil Soap
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Fatty acids, soya, sodium salts
CAS #
61790-25-8
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.
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.
Viscosity Controlling
Surfactant Cleansing
Surfactant Emulsifying
Anti-Inflammatory
Antimicrobial
Fights Acne
Traditional Use
Modern synthetic ingredient created in the 20th century as a mild surfactant derived from soybean oil. Developed to provide gentle cleansing properties with reduced irritation compared to harsher sulfate-based cleaners.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Verified Jun 2026
Data: CosIng · EWG · CIR