Cosmetic Ingredient

Polymethylsilsesquioxane/Silica Crosspolymer

INCI: POLYMETHYLSILSESQUIOXANE/SILICA CROSSPOLYMER
CAS Not publicly assigned (crosslinked organosilicone/silica composite)
Polymethylsilsesquioxane/Silica Crosspolymer is used to reduce the transparency or translucency of a product, giving it a more opaque appearance.
Generally Safe
This ingredient has a good safety profile based on available data.
Purpose

Function

Opacifying
Profile

Properties

Silicone
Silicone free
Malassezia
Safe
Fungal Acne
Safe
Details

Description

Polymethylsilsesquioxane/Silica Crosspolymer is used to reduce the transparency or translucency of a product, giving it a more opaque appearance.

Reference

Identifiers

CAS Number
Not publicly assigned (crosslinked organosilicone/silica composite)
INCI
POLYMETHYLSILSESQUIOXANE/SILICA CROSSPOLYMER
Category
Cosmetic Ingredient
Updated
Apr 2, 2026