CheckVegan

Is Urocanic Acid vegetarian?

Urocanic Acid

Vegetarian Vegetarian
Vegan Vegan

Urocanic acid is an organic compound and intermediate in the catabolism of the amino acid L-histidine, found naturally in skin where it acts as a UV-absorbing compound; it can be produced synthetically or via fermentation for cosmetic use.

Also known as 2-Propenoic acid, 3-(1H-imidazol-4-yl)-, 27538-35-8, 3-Imidazol-4-ylacrylic acid, Urocanic acid ethyl ester
INCI name Urocanic Acid
CAS number 104-98-3
EC number 203-258-4
CosIng ID 84613
Last reviewed 9 July 2026

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

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