Is 158571-58-5 vegan?

HC Blue No. 5 is also known as 158571-58-5.

HC Blue No. 5 is a synthetic hair dye consisting of reaction products of ethanol, 2,2'-iminobis-, with epichlorohydrin and 2-nitro-1,4-benzenediamine. It is manufactured chemically and is not derived from animals or plants.

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