Nusrat Jung, a Purdue assistant professor of civil engineering, reviews data showing the chemicals emitted into the air from using a hair styling tool. The average morning routine for many Americans ...

For Black women, the process of maintaining their hair can be fraught. To tame texture or curls, many women spend long hours in a stylist’s chair or subject their hair to harsh chemical relaxers to ...

A typical morning hair-care routine can expose you to as much immediate nanoparticle pollution as standing in dense highway traffic, report Purdue University engineers. Subscribe to our newsletter for ...