CheckVegan

Is Lysine PCA vegetarian?

Lysine PCA

Vegetarian Vegetarian
Vegan Vegan

Lysine PCA is a salt formed from the essential amino acid lysine and pyroglutamic acid (PCA), used as a moisturizing and humectant ingredient in cosmetics; it is typically produced synthetically or via fermentation.

Also known as 307-418-5, 5-Oxo-2-pyrrolidinecarboxylic acid, compound with lysine (1:1), 97635-56-8
INCI name Lysine PCA
CAS number 97635-57-9
EC number 307-419-0
CosIng ID 77509
Last reviewed 4 July 2026

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

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