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Is Trimethoxycaprylylsilane vegan?

Trimethoxycaprylylsilane

Vegan Vegan
Vegetarian Vegetarian

Trimethoxycaprylylsilane is a synthetic organosilicon compound used as a surface treatment agent to make pigments and powders hydrophobic in cosmetics, such as mineral sunscreens and makeup.

Also known as Trimethoxyoctylsilane
INCI name Trimethoxycaprylylsilane
CAS number 3069-40-7
EC number 221-338-7
CosIng ID 38740
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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