Add Yahoo as a preferred source to see more of our stories on Google. Anyone who has ever colored their hair has likely heard about toner before. But what is hair toner, exactly? Not to be confused ...

"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 ...

What does hair toner do? “Hair toner is any semi- or demi-permanent hair color that helps enhance the tone of your hair,” says hairstylist Meri Kate O’Connor, colorist at Cooper West Hollywood. And if ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Hair toners can be used to achieve two things. “It can be used to add pigment to hair color that has ...

Dyed blonde hair or blonde highlights can be pretty finicky. You walk out of the salon with the perfect shade of blonde. Weeks later, you notice that your once ashy blonde hair has taken on an ...