"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 ...

Now I’m blonde, should I be using a hair toner? I’ve been doing a bit of a deep dive on beauty forums and some people in these groups absolutely swear by them. Will it keep my colour fresh? Or best ...

If you've passed by facial toners at any point in the beauty aisle, you might have quite a few questions, especially if you aren't familiar with the product. What does toner do? How do you use toner?