Why does your hair curl in the summer? A chemist explains the science behind hair structure
- Written by Tara S. Carpenter, Principle Lecturer, University of Maryland, Baltimore County
Summer humidity can change the way your hair is behaving -- but what's the science behind that?Tim Robberts/Stone via Getty ImagesIf you have curly hair, you know that every day is a new adventure. What will my hair do today? Why does it curl better on some days than others? And even those without naturally curly hair might notice their hair...

