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Hair dyeing has been done for centuries beginning with natural pigment, and as of 2019, twenty-nine billion U.S. dollars were spent on hair coloring products. To understand the process behind this popular beauty trend, we explore the ingredients and the hair anatomy to finally piece them together.
The Chemistry of Hair-Dyeing - Tiffany Tran (Video)
The Chemistry of Hair-Dyeing - Tiffany Tran (Poster)