CheckVegan

Is Hydrated Silica vegan?

Hydrated Silica

Vegan Vegan
Vegetarian Vegetarian

Hydrated Silica is a synthetic amorphous form of silicon dioxide containing variable amounts of water, used as an abrasive in toothpaste and as a thickening or absorbent agent in cosmetics.

Also known as 231-545-4, Hydrous Silica, Silicic Acid
INCI name Hydrated Silica
CAS number 1343-98-2
EC number 215-683-2
CosIng ID 76428
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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