Is Isobutyl Polysilsesquioxane vegan?
Isobutyl Polysilsesquioxane
Isobutyl Polysilsesquioxane is a synthetic resinous material composed of three-dimensional siloxane polymers and oligomers with cage-like structures, prepared by the hydrolysis and condensation of 2-methylpropyl trimethoxysilane. It is used in cosmetics for its film-forming properties.
| Also known as | Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octakis(2-methylpropyl), Pentacyclo[9.5.1.13,9.15,15.17,13]octasiloxane, 1,3,5,7,9,11,13,15-octakis(2-methylpropyl)- |
|---|---|
| INCI name | Isobutyl Polysilsesquioxane |
| CAS number | 221326-46-1 |
| CosIng ID | 93230 |
| Last reviewed | 4 July 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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