Database/Antistatic/Stearamide DEA
Mostly natural · ISO 16128

Is Stearamide DEA natural?

Mostly. Stearic acid from tallow or vegetable oil supplies the acyl chain; the diethanolamine cap is petrochemical ethylene-oxide derived.

INCI nameStearamide DEA
CAS93-82-3
FormulaC22H45NO3 · 371.6 Da
FunctionAntistatic · Foam Boosting Surfactant
FeedstockMade by condensing stearic acid, from vegetable oil…

How we scored it

Stearoyl C18H35O (267, natural) + bis-hydroxyethylamino C4H10NO2 (104, ethylene-oxide derived, petrochemical) = 372 -> 267/371.6 = 0.72.
What counts. ISO 16128-2 scores the atoms that remain in the final ingredient. Reagents, solvents, catalysts and protecting groups used during manufacture leave no mass behind and are not counted.

Where it comes from

Made by condensing stearic acid, from vegetable oil or tallow, with diethanolamine (DEA), manufactured from petrochemical ethylene oxide and ammonia. Used widely as a viscosity-building surfactant.

In plain English

A thickening and foam-stabilizing ingredient made from a common saturated fatty acid joined to a small synthetic amino-alcohol. Used in shampoos and cleansers to build body and foam.

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Structure

2D structure of Stearamide DEA

N,N-bis(2-hydroxyethyl)octadecanamide

PubChem CID 7163 ↗

References

  1. 1ISO 16128-1:2016 and ISO 16128-2:2017 — Guidelines on technical definitions and criteria for natural and organic cosmetic ingredients and products. ISO, Geneva.
  2. 2Stearamide DEA. PubChem CID 7163. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3STEARAMIDE DEA. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4STEARAMIDE DEA. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=STEARAMIDE%20DEA