Linoleamide DEA
AKA “Linoleic acid diethanolamide, 12-Octadecadienamide, (9Z, 12-OCTADECADIENAMIDE, N-Bis(2-hydroxyethyl)octadeca-9, 12-dien-1-amide”
Synthetic
Ingredient Facts
Linoleamide dea
AKA: Linoleic acid diethanolamide, 12-Octadecadienamide, (9Z, 12-OCTADECADIENAMIDE, N-Bis(2-hydroxyethyl)octadeca-9, 12-dien-1-amide
Synthetic · Antistatic · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Hair Care
Synthetic
Clean
A conditioning agent that detangles hair, reduces frizz, and helps create a rich lather in cleansers while maintaining the perfect product texture.
Effective at 6.1%
Formula
C22H41NO3
Mol. Weight
367.60
CAS #
56863-02-6
Form
Liquid
See origin →
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Foam Boosting
Viscosity Controlling
Reduces Static
Conditions Hair
Boosts Lather
Controls Viscosity
Enhances lather
Reduces flyaways
Softens and detangles hair
Controls product thickness
Traditional Use
Created in the mid-20th century by combining linoleic acid (an omega-6 fatty acid from plant oils) with diethanolamine. Used as a conditioning agent and surfactant in personal care formulations.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Caution
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Caution
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.2%
12.0%
0%17%
Effective Range
CIR reported use: 0.2-9 | 1-12
Regulatory Agencies
Final Report on the Safety Assessment of Cocamide DEA, Lauramide DEA, Linoleamide DEA, and Oleamide DEA
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Linoleamide DEA
European Commission
EU Cosmetic Ingredient Database (CosIng)
Linoleamide DEA
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR