Stearamide MEA

AKA: N-(2-Hydroxyethyl)octadecanamide, 111-57-9, N-stearoylethanolamine, Stearic ethanolamide, N-(Hydroxyethyl)stearamide, OCTADECANAMIDE, Monoethanolamine stearic acid amide
Plant-Derived
Cleanser
Clean
OriginDerived from stearic acid and monoethanolamine, both petroleum-derived or plant-oil-derived fatty acid sources. Synthesized through amidation reaction, combining stearic acid with monoethanolamine under heat and catalytic conditions.
N-(2-Hydroxyethyl)octadecanamide
Formula
C20H41NO2
Mol. Weight
327.50
CAS #
111-57-9
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Antistatic
Foam Boosting
Viscosity Controlling
Reduces Static
Boosts Lather
Controls Viscosity
Enhances lather
Reduces flyaways
Controls product thickness
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe with qualifications (when formulated to be nonirritating; not for products where N-nitroso compounds may form)
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
1 study / 1 not sensitizing (CIR 56)
Mixed Eye Irritation Results
4 studies / 2 irritating / 1 mixed / 1 not irritating / reactions minimal to moderate (CIR 56 and 605)
Mixed Skin Irritation Results
4 studies / 3 irritating / 1 not irritating / reactions slight to mild (CIR 56)
Concentration Guide
Leave-on2–15%
Rinse-off0.07–6%
0%50%100%
CIR reported use · report published 2015
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR