CheckVegan

Is Calcium PCA vegetarian?

Calcium PCA

Vegetarian Vegetarian
Vegan Vegan

Calcium PCA is the calcium salt of pyroglutamic acid (L-proline, 5-oxo-, calcium salt), a naturally occurring humectant used in cosmetics, typically produced synthetically or via fermentation.

Also known as Calcium Pyroglutamate, L-Proline, 5-Oxo, Calcium Salt (2:1)
INCI name Calcium PCA
CAS number 31377-05-6
EC number 250-602-4
CosIng ID 55183
Last reviewed 9 July 2026

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

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