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 ...

Ever wonder whether you’re washing your hair too much or even not enough? Something we all do, but get wrong and it either makes or breaks your hair’s health. From breakage to itchiness, over-washing ...

The debate over washing your hair—daily or stretching it out—is a beauty battle as old as shampoo itself. For years, women have been told to "train" their hair to be less oily by skipping washes, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Confession: I wash my hair almost every single day. I know, I know—it sounds like a cardinal sin for a ...