Database/Anticaking/Cycloheptasiloxane
100% petroleum · ISO 16128

Is Cycloheptasiloxane natural?

No. Silicones score 0.0 by this site's convention, although the Si-O ring is mineral-derived and the methyl groups come from methyl chloride.

INCI nameCycloheptasiloxane
CAS107-50-6
FunctionAnticaking · Emollient
FeedstockMade by hydrolysis of dimethyldichlorosilane (silicon metal plus…

How we scored it

Cyclic dimethylsiloxane (tetradecamethylcycloheptasiloxane, D7): this site's convention scores all silicones 0.0; 0 / total = 0.0.
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 by hydrolysis of dimethyldichlorosilane (silicon metal plus methyl chloride) followed by separation of the cyclic fraction. No natural-origin route is commercially significant.

In plain English

A cyclic silicone (seven silicon atoms in a ring) used as a solvent and emollient that gives a silky feel. It is built from silicon, oxygen and methyl groups.

Natural alternatives with the same function

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