CheckVegan

Is Ethyl PCA vegan?

Ethyl PCA

Vegan Vegan
Vegetarian Vegetarian

Ethyl PCA (ethyl pyroglutamate) is the ethyl ester of pyroglutamic acid, a synthetic humectant used in cosmetic formulations for its moisturizing properties. It is produced synthetically with no animal origin.

Also known as Ethyl 5-oxo-L-prolinate, Ethyl Pyroglutamate
INCI name Ethyl PCA
CAS number 537-46-2
EC number 230-480-9
CosIng ID 33842
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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