CheckVegan

Is Yeast Amino Acids vegetarian?

Yeast Amino Acids

Yeast Amino Acids are a mixture of amino acids derived from the hydrolysis or fermentation of yeast, used in cosmetics as conditioning and moisturizing agents. The yeast substrate is not animal-derived, but growth media used in fermentation can occasionally include animal-derived components.

INCI name Yeast Amino Acids
CosIng ID 83949
Last reviewed 4 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