Potassium Soyate
AKA “Potassium salt of soy fatty acids, Potassium soybean oil
Surfactant
Ingredient Facts
Potassium soyate
AKA: Potassium salt of soy fatty acids, Potassium soybean oil
Surfactant · Cleansing · EWG: 1
Synthetic
Cleanser
Emulsifier
Clean
Fatty acids, soybean oil, potassium salts
CAS #
61790-24-7
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.
Viscosity Controlling
Removes Impurities
Emulsifier
Controls Viscosity
Removes dirt and impurities
Mixes oil and water
Controls product thickness
Traditional Use
A potassium salt of soybean oil fatty acids developed as a modern plant-derived emulsifier. Part of the contemporary shift toward renewable plant-based ingredients in cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Soy
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR