All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. I learned the ...

What should you know before deciding to bleach or color-treat your hair? If you're in the process of deciding whether to take the leap, you first need to "ensure that your hair is in good condition to ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you've spent any amount of time coloring your hair—especially if you've gone blonde—and you've noticed ...

If you've spent any amount of time coloring your hair—especially if you've gone blonde—and you've noticed your hair losing its luster or becoming brassy or yellow over time, you probably need to use a ...