Video: How hair dye works

How hair dye works (video)
Credit: The American Chemical Society

Whether you need a disguise to run from the law or are just trying to emulate *NSYNC-era frosted tips, you may need some chemical assistance to put the hue in your do.

To understand how these "shade-y" changes happen, you have to dive back into the history of chemistry.

In this week's Reactions episode, get ready to learn everything you're "dyeing" to know about artificial hair color:


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Citation: Video: How hair dye works (2019, March 1) retrieved 26 June 2019 from https://phys.org/news/2019-03-video-hair-dye.html
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