CheckVegan

Is Usnic Acid vegetarian?

Usnic Acid

Vegetarian Vegetarian
Vegan Vegan

Usnic acid is a naturally occurring dibenzofuran derivative found in several lichen species, first isolated in 1844, and known for its antimicrobial properties.

Also known as 2,6-Diacetyl-1,2,3,9b-tetrahydro-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione
INCI name Usnic Acid
CAS number 125-46-2
EC number 204-740-7
CosIng ID 38848
Last reviewed 9 July 2026

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

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