CheckVegan

Is Thorium Dioxide vegan?

Thorium Dioxide

Vegan Vegan
Vegetarian Vegetarian

Thorium Dioxide is an inorganic, radioactive crystalline solid (ThO2) derived from thorium ore, historically used in some industrial applications; it is not used in modern cosmetics due to its radioactivity.

Also known as Thoria
INCI name Thorium Dioxide
CAS number 1314-20-1
EC number 215-225-1
CosIng ID 85234
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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