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Why is Pepto Bismol Pink?

The active ingredient in Pepto Bismol is bismuth. This ingredient is generally white in color. There is, however, a derivative in bismuth, which gives Pepto Bismol a pinkish color. This derivative is not solely responsible for the pinkness, however. The bold coloring is added by red dye. So due to the derivative found in bismuth and the addition of red dye, Pepto Bismol is pink in color. The brand has coined this color, and people often refer to certain shades of pink as “Pepto Bismol pink.”

by Margaret Walker on Fri, 02/18/2011 - 11:59


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