How hair dye works (video) (IMAGE) American Chemical Society Caption 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: https://youtu.be/zeReQ1wlcis. Credit The American Chemical Society Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.