Database/Antistatic/PEG-10 Stearamine
Mostly petroleum · ISO 16128

Is PEG-10 Stearamine natural?

Mostly not. Ethoxylated fatty amine. The stearyl alkyl chain is natural; the amine nitrogen from synthetic ammonia and the 10 ethylene-oxide units are petrochemical.

INCI namePEG-10 Stearamine
CAS9003-93-4
FunctionAntistatic · Emulsifying Surfactant
FeedstockStearyl fatty amine reacted with about 10 mol…

How we scored it

Stearyl chain C18H37 253.5 Da (natural); nitrogen 14.0 Da (synthetic ammonia) + 10×EO 440.5 Da + 2 terminal H (petrochemical); total 710.0 Da → 0.36. Same method as the PEG-n Cocamine and Stearamine entries.
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

Stearyl fatty amine reacted with about 10 mol of ethylene oxide.

In plain English

A fatty amine derived from stearic acid (vegetable or animal fat) reacted with more ethylene oxide than PEG-5 Stearamine, used as an emulsifier and anti-static agent.

CosIng definition: Octadecanamine, ethoxylated (10 mol EO average molar ratio)

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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. 2PEG-10 STEARAMINE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3PEG-10 STEARAMINE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=PEG-10%20STEARAMINE