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Is Hydroxybutyl Methylcellulose vegetarian?

Hydroxybutyl Methylcellulose

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Vegan Vegan

Hydroxybutyl Methylcellulose is a cellulose ether derivative formed by reacting cellulose with hydroxybutyl and methyl groups. It is a plant-derived, semi-synthetic polymer used as a thickener and film-former in cosmetics.

Also known as Cellulose, hydroxybutyl methyl ether
INCI name Hydroxybutyl Methylcellulose
CAS number 9041-56-9
CosIng ID 34481
Last reviewed 4 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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