Reactions

How Does Hair Dye Work?

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. But in order to understand how today’s hair salon works, the story of hair color really has its roots in the history of modern chemistry.

Similar Shows

NOVA: show-poster2x3

NOVA

Science and Nature

WETA Passport

Stream tens of thousands of hours of your PBS and local favorites with WETA Passport whenever and wherever you want. Catch up on a single episode or binge-watch full seasons before they air on TV.