Hair toner—ever heard of it ... undertones (e.g., yellow tones in blonde hair and orange or red tones in brown hair) on color-treated hair. Since the dye in toners is demi-permanent, Cunningham ...

"They can blend grays away and they can add tremendous depth to dull brown hair ... Anyone who's had their hair bleached or colored will likely need a toner to maintain it and avoid brassiness ...

she recommends an ash-brown conditioner. Note that a hair toner isn’t going to take care of your roots—it’s more of a refresh for your overall hair shade. “Glosses are a great, low-key way ...

to create a toner. Ess recommends her Signature Glosses for at-home toning. Her glosses come in eight different shades, from clear to dark brown-black to help boost color-treated hair. She notes ...

"They can blend grays away and they can add tremendous depth to dull brown hair ... Anyone who's had their hair bleached or colored will likely need a toner to maintain it and avoid brassiness ...

be it a brown that has become too warm, or a blonde that has turned a little brassy. 'If your hair has faded or oxidised to ...

In addition to the blue pigments that neutralize orange tones in brown hair ... any shampoo or conditioner into a nourishing toner for blonde hair. Just mix in three to five drops of the ...