← Home

Is 4,4'-Bi-o-toluidine sulphate vegan?

A synthetic aromatic amine sulfate salt, a derivative of o-toluidine, historically used as a chemical intermediate; classified as a carcinogenic substance restricted in cosmetics.

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.