A wooly coat and a head of human hair have more in common than you think; not only do they help retain body heat, they’re both made from keratin protein fibers. Now, a Dutch startup is questioning why ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Let's face it, we've all had a bad hair day (or several) involving sad, limp ...

When Zsofia Kollar gets a haircut, she can’t help but think about all the precious material her hairdresser is sweeping into the trash. “I’ve always had a fascination with human hair,” said Kollar, a ...