Is PCA vegetarian?
PCA
Vegetarian
Vegetarian
Vegan
Vegan
PCA (pyrrolidone carboxylic acid) is a natural component of the skin's natural moisturizing factor, produced synthetically or via fermentation for use as a humectant in cosmetics.
| Also known as | L-2-Pyrrolidone-5-carboxylic Acid, Pidolic Acid |
|---|---|
| INCI name | PCA |
| CAS number | 98-79-3 |
| EC number | 202-700-3 |
| CosIng ID | 77186 |
| Last reviewed | 9 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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