Lecithinamide DEA
molecular structure · PubChem
AKA: Lecithin DEA, N-diethanolamine lecithin
Synthetic
Cleanser
Skin Conditioner
Hair Care
Plant Oil
Barrier Lipid
Not Clean
Lecithins, reaction products with diethanolamine
CAS #
91053-51-9
Form
Liquid
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
A derivative of lecithin (historically used as an emulsifier from egg yolks and soy) combined with diethanolamine in the mid-20th century. Developed to improve the conditioning and emulsifying properties of personal care formulations.
EWG
4
CIR
Safe as used
Pregnancy
Caution
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR