Video: How hair dye works
![Credit: The American Chemical Society How hair dye works (video)](https://scx1.b-cdn.net/csz/news/800a/2019/howhairdyewo.jpg)
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:
Provided by American Chemical Society