CheckVegan

Is Proline vegan?

Proline

Vegan Vegan
Vegetarian Vegetarian

Proline is a proteinogenic amino acid classified as non-essential in humans, who can synthesize it from L-glutamate. It is used in cosmetics and can be produced synthetically or via fermentation, though it also occurs naturally in animal and plant proteins.

Also known as 2-Pyrrolidinecarboxylic acid, 2-Pyrrolidinecarboxylic acid, (S)-, 210-189-3
INCI name Proline
CAS number 147-85-3
EC number 205-702-2
CosIng ID 78685
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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