CheckVegan

Is Zinc PCA vegetarian?

Zinc PCA

Vegetarian Vegetarian
Vegan Vegan

Zinc PCA is the zinc salt of pyroglutamic acid (5-oxoproline), a synthetic compound used as a skin conditioning agent, particularly valued for its sebum-regulating properties.

Also known as 239-473-5, Proline, 5-Oxo-, Zinc Salt
INCI name Zinc PCA
CAS number 15454-75-8
EC number 268-475-9
CosIng ID 38970
Last reviewed 9 July 2026

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

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