There are some clear telltale signs when you under-wash your hair—greasy roots being the main one—but how do you know if you're over-washing your hair? As a nation, and even amongst our friendship ...

Dear Abby: I have been seeing a hairstylist for a decade. During the last couple of years, I don’t feel I’ve gotten the service I deserve. I go in for a trim about every two months. She is extremely ...