Soyamide DEA
AKA “Soy Diethanolamide, Soybean Amide DEA”
Surfactant
Ingredient Facts
Soyamide dea
AKA: Soy Diethanolamide, Soybean Amide DEA
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Amides, soya, N,N-bis(hydroxyethyl)
CAS #
68425-47-8
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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.
Foam Boosting
Viscosity Controlling
Stabilizes Emulsion
Cleansing Surfactant
Emulsifier
Boosts Lather
Traditional Use
A synthetic surfactant derived from soybean oil, developed in the late 20th century. Used in cleansing products to create lather and improve cleaning efficacy.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Verified Jun 2026
Data: CosIng · EWG · CIR