Database/Film Forming/Polypropylsilsesquioxane
100% petroleum · ISO 16128

Is Polypropylsilsesquioxane natural?

No. Entire polymer is a synthetic silicone network; this site's convention scores all silicones 0.0 regardless of mineral Si-O content.

INCI namePolypropylsilsesquioxane
CAS36088-62-7
FunctionFilm Forming
FeedstockMade by hydrolysis and condensation of propyltrichlorosilane, a…

How we scored it

Silsesquioxane (Si-O network with propyl groups) from propyltrichlorosilane; silicone class = 0.0 by this site's convention.
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 and condensation of propyltrichlorosilane, a chlorosilane feedstock. No natural-origin route; classed with silicones by this site's convention.

In plain English

A silicone-based polymer that forms a flexible film on skin or hair. It is manufactured from a synthetic silicon compound, not from a plant or mineral extract.

CosIng definition: Polymer formed by hydrolysis and condensation of propyltrichlorosilane

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