Is Pyrimidinium, 2,3-dihydro-1,3,4,6-tetramethyl-2-oxo-, sulfate (1:1) vegan?

1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate is also known as Pyrimidinium, 2,3-dihydro-1,3,4,6-tetramethyl-2-oxo-, sulfate (1:1).

1,3,4,6-Tetramethyl-2-Pyrimidone Sulfate is a synthetic hair dye ingredient, a sulfate salt of a tetramethylated pyrimidone compound used in hair coloring formulations.

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