Isostearamide DEA
AKA “Isostearic diethanolamide, Isooctadecanamide, N, N-bis(2-hydroxyethyl)-, Isostearic acid diethanolamide, N-Bis(2-hydroxyethyl)isooctadecan-1-amide, INCROMIDE ISDEA, COLAMID ISA, MACKAMIDE ISA-D, B8I784TV08, EINECS 258-193-4
Surfactant
Ingredient Facts
Isostearamide dea
AKA: Isostearic diethanolamide, Isooctadecanamide, N, N-bis(2-hydroxyethyl)-, Isostearic acid diethanolamide, N-Bis(2-hydroxyethyl)isooctadecan-1-amide, INCROMIDE ISDEA, COLAMID ISA, MACKAMIDE ISA-D, B8I784TV08, EINECS 258-193-4
Surfactant · Cleansing · EWG: 4
Plant-Derived
Cleanser
Not Clean
N,N-bis(2-Hydroxyethyl)isooctadecan-1-amide
Effective at 3.75%
Formula
C22H45NO3
Mol. Weight
371.60
CAS #
52794-79-3
Form
Liquid
See origin →
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foam Boosting
Viscosity Controlling
Reduces Static
Cleansing Surfactant
Boosts Lather
Controls Viscosity
Enhances lather
Lifts away dirt and oil
Reduces flyaways
Controls product thickness
Traditional Use
Synthetic surfactant and emulsifying agent developed in the mid-20th century for use in cleansing and conditioning formulations. Created to provide improved texture and performance in modern cosmetic products.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.5%
7.0%
0%10%
Effective Range
CIR reported use: 0.5-7
Regulatory Status
USApermitted
EUpermitted
JAPANpermitted
CANADApermitted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR