Isostearamide DEA

AKA: Isostearic diethanolamide, Isooctadecanamide, Isostearic acid diethanolamide, N-Bis(2-hydroxyethyl)isooctadecan-1-amide, INCROMIDE ISDEA, COLAMID ISA, MACKAMIDE ISA-D
Plant-Derived
Cleanser
Not Clean
OriginDerived from isostearic acid and diethanolamine, both petroleum-derived synthetic compounds. Synthesized through amidation reaction between isostearic acid and diethanolamine.
N,N-bis(2-Hydroxyethyl)isooctadecan-1-amide
Formula
C22H45NO3
Mol. Weight
371.60
CAS #
52794-79-3
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Caution
CIR Safety Findings
Skin Irritant in Testing
1 study / 1 irritating / reactions mild (CIR 56)
Eye Irritant in Testing
1 study / 1 irritating / reactions moderate (CIR 593)
Concentration Guide
CIR's newest survey reports no concentration of use.
CIR · report published 2013
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR
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