Database/Cleansing/Disodium Isostearoamphodiacetate
Mostly natural · ISO 16128

Is Disodium Isostearoamphodiacetate natural?

Mostly. Natural isostearic acid amide core carries two petrochemical carboxymethyl arms on a petrochemical amine backbone; both sodium ions count as natural.

INCI nameDisodium Isostearoamphodiacetate
FunctionCleansing · Foaming
FeedstockIsostearic acid, from isomerized natural oleic acid, reacts…

How we scored it

Isostearoyl natural (267.5) + 2 Na (46.0) = 313.5 natural; AEEA backbone + 2 chloroacetate petrochemical = 217.2; total 530.7 -> 0.59.
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

Isostearic acid, from isomerized natural oleic acid, reacts with petrochemical aminoethylethanolamine then twice with chloroacetic acid, and is neutralized with sodium hydroxide. No formula was supplied directly; mass and structure validated against this batch's disodium tallowamphodiacetate, whose given formula matches this method exactly.

In plain English

A gentle, foam-boosting cleansing ingredient made from a branched natural fatty acid combined with petrochemical building blocks and sodium; used in shampoos and mild washes.

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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. 2DISODIUM ISOSTEAROAMPHODIACETATE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3DISODIUM ISOSTEAROAMPHODIACETATE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=DISODIUM%20ISOSTEAROAMPHODIACETATE