CheckVegan

Is Methyl Undecenoyl Leucinate vegetarian?

Methyl Undecenoyl Leucinate

Vegetarian Vegetarian
Vegan Vegan

Methyl Undecenoyl Leucinate is a synthetic substituted amino acid ester derived from undecenoic acid and leucine, used as a cosmetic active ingredient, notably for anti-hair-loss formulations.

INCI name Methyl Undecenoyl Leucinate
CosIng ID 87343
Last reviewed 10 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.

Report an issue