Is HC Blue No. 4 vegan?
HC Blue No. 4
Vegan
Vegan
Vegetarian
Vegetarian
HC Blue No. 4 is a synthetic anthraquinone-derived compound used as a direct dye in semi-permanent hair colorants.
| Also known as | 9,10-anthracenedione, N-methyl-1,4-diamino-, product with chloromethyloxirane and 2-aminoethanol, N-Methyl-1,4-diaminoanthraquinone reaction products with epichlorohydrin and monoethanolamine |
|---|---|
| INCI name | HC Blue No. 4 |
| CosIng ID | 34192 |
| Last reviewed | 9 July 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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.
