Is 204-399-4 vegan?

4-Hydroxybenzoic Acid and its Methyl- and Ethyl-esters, and their Salts is also known as 204-399-4.

This regulatory group covers 4-hydroxybenzoic acid and its methyl and ethyl ester derivatives (parabens) along with their sodium, potassium, and calcium salts, all synthetic or semi-synthetic preservatives used widely in cosmetics.

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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.