Database/Emollient/Cetyl Dimethicone
100% petroleum · ISO 16128

Is Cetyl Dimethicone natural?

No. Classed as a silicone; scored 0.0 by this site's convention regardless of the fatty side-chain.

INCI nameCetyl Dimethicone
CAS191044-49-2
FormulaC21H48O2Si2 · 388.8 Da
FunctionEmollient
FeedstockA silicone polymer bearing a cetyl (fatty) side…

How we scored it

Silicone (dimethicone-family) = 0.0 by this site's convention regardless of the attached cetyl group
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

A silicone polymer bearing a cetyl (fatty) side chain, made from a siloxane backbone. Silicones are scored as petrochemical by this site's convention.

In plain English

A silicone-based conditioning ingredient with a waxy fatty group attached. It gives skin and hair a smooth, silky, water-resistant feel.

CosIng definition: Siloxanes and silicones, hexadecyl methyl, dimethyl

Natural alternatives with the same function

Structure

2D structure of Cetyl Dimethicone

hexadecyl-methoxy-methyl-trimethylsilyloxysilane

PubChem CID 121233874 ↗

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. 2Cetyl Dimethicone. PubChem CID 121233874. National Center for Biotechnology Information. pubchem.ncbi.nlm.nih.gov ↗
  3. 3CETYL DIMETHICONE. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  4. 4CETYL DIMETHICONE. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=CETYL%20DIMETHICONE