Database/Anticorrosive/Stearamidopropyl Dimethicone
100% petroleum · ISO 16128

Is Stearamidopropyl Dimethicone natural?

No. This site's convention assigns all silicones, including amide-modified dimethicones, an NOI of 0 regardless of attached fatty groups.

INCI nameStearamidopropyl Dimethicone
CAS227200-31-9
FunctionAnticorrosive · Film Forming
FeedstockMade from methylchlorosilanes derived from silicon metal and…

How we scored it

Silicone (dimethicone) backbone = 0 by this site's convention regardless of the stearamidopropyl fatty-amide substituent; convention overrides fragment mass split.
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 from methylchlorosilanes derived from silicon metal and methanol, condensed into a dimethicone backbone, then reacted with stearamidopropylamine. This site's convention treats all silicones as 0.0 regardless of substituents.

In plain English

A silicone conditioning ingredient with a fatty amide group attached, used in hair and skin products to smooth and add shine. The silicone part is made from processed sand (silicon); the fatty part usually comes from vegetable or animal stearic acid.

CosIng definition: Siloxanes and silicones, dimethyl, methyl 3-[(1-oxooctadecyl)amino]propyl

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