Is Magnesium Hydroxide vegan?

Magnesium Hydroxide

Vegan

Magnesium hydroxide is an inorganic compound with formula Mg(OH)2, occurring naturally as the mineral brucite. It is used as an acidity regulator, anticaking agent, and in cosmetics as a buffering agent.

Also known as Brucite, Magnesia, Magnesii hydroxidum, Milk of magnesia
INCI name Magnesium Hydroxide
E number E528
CosIng ID 35096
Last reviewed 22 April 2026

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.