Is PEG-4 Proline Linolenate vegetarian?
PEG-4 Proline Linolenate
Vegetarian
Unconfirmed
Vegan
Unconfirmed
PEG-4 Proline Linolenate is an ester of PEG-4, the amino acid proline, and linolenic acid; proline may be derived from plant, synthetic, or animal-derived sources.
| INCI name | PEG-4 Proline Linolenate |
|---|---|
| CosIng ID | 78444 |
| Last reviewed | 9 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.