CheckVegan

Is Silicon vegan?

Silicon

Vegan Vegan
Vegetarian Vegetarian

Silicon is a chemical element with symbol Si and atomic number 14, a hard, brittle crystalline metalloid with a blue-grey metallic lustre. It occurs naturally as silicate minerals and is widely used in cosmetics, electronics, and industry.

Also known as Si
INCI name Silicon
CAS number 7440-21-3
EC number 231-130-8
CosIng ID 96140
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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