NBC News' Zinhle Essamuah speaks with researchers behind two new studies that shine a light on the potential health risks of ...

A new study shows these beauty products could be more dangerous than you think. The global market for hair extensions is booming and is projected to hit $14 billion in annual sales by 2028. What was ...

A sweeping new study has uncovered a troubling mix of hazardous chemicals in popular hair extensions, including products made from human hair. Researchers detected dozens of substances linked to ...

The same chemicals found in pipes, pesticides and floor tiles are also present in some synthetic and human hair extensions, a ...