Database/Emollient/C30-45 Alkyl Cetearyl Dimethicone Crosspolymer
100% petroleum · ISO 16128

Is C30-45 Alkyl Cetearyl Dimethicone Crosspolymer natural?

No. Dimethicone crosspolymer is 0.0 by this site's convention regardless of the fatty C30-45 alkyl/cetearyl portion; the vinyl cyclohexene oxide crosslinker is also petrochemical.

INCI nameC30-45 Alkyl Cetearyl Dimethicone Crosspolymer
CAS443892-05-5
FunctionEmollient · Film Forming
FeedstockManufactured by crosslinking a C30-45 alkyl/cetearyl-modified dimethicone with…

How we scored it

C30-45 alkyl/cetearyl dimethicone (fatty-modified silicone) crosslinked with vinyl cyclohexene oxide. Silicone backbone forces 0.00 despite fatty alkyl content.
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

Manufactured by crosslinking a C30-45 alkyl/cetearyl-modified dimethicone with vinyl cyclohexene oxide. Despite the fatty-alcohol-derived alkyl chains, the silicone backbone invokes the site's blanket 0.0 convention.

In plain English

A silicone-based thickening and conditioning ingredient used in creams and hair products. Although part of it comes from fatty alcohols, its silicone backbone means it is classed as a synthetic silicone ingredient.

CosIng definition: C30-45 Alkyl Cetearyl Dimethicone Crosspolymer is a copolymer of C30-45 alkyl cetearyl dimethicone crosslinked with vinyl cyclohexene oxide

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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. 2C30-45 ALKYL CETEARYL DIMETHICONE CROSSPOLYMER. CosIng — European Commission cosmetic ingredient database. ec.europa.eu/cosing ↗
  3. 3C30-45 ALKYL CETEARYL DIMETHICONE CROSSPOLYMER. CosIng u2014 European Commission database for information on cosmetic substances and ingredients. https://ec.europa.eu/growth/tools-databases/cosing/search?search=C30-45%20ALKYL%20CETEARYL%20DIMETHICONE%20CROSSPOLYMER