Is Allantoin vegan?

Allantoin

Vegan

Allantoin is a naturally occurring compound found in the root of comfrey (Symphytum officinale) and other plants, as well as in the urine of most mammals. It is also produced synthetically from uric acid. In cosmetics, it is valued for its soothing, moisturising, and keratolytic properties.

Also known as 5-Ureidohydantoin, Comfrey extract (allantoin component), Comfrey extract component, Glyoxyldiureide
CAS number 97-59-6
EC number 202-592-8
Last reviewed 16 April 2026

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