If you have color-treated hair (hi, yes, me), you know that you only have a handful of weeks before your color—blonde or brunette—starts to pick up some unwanted brassy or warm tones. It’s normal.

For brunettes with highlights, blue shampoo should be a non-negotiable for keeping your color fresh and brass-free for months. Purple shampoo is a blonde’s best friend. The violet formulas work to ...

Whether caused by oxidation during the coloring process or as a result of days spent under the sun's rays, brassy and orange undertones have a way of taking over brunette hair, sometimes just weeks ...

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 ...

Anyone who has ever colored their hair has likely heard about toner before. But what is hair toner, exactly? Not to be confused with the stuff you swipe on your face, hair toner is an essential part ...

Norris' favorite way to tone bleached hair at home is with a shampoo, and the Redken Color Extend Brownlights Shampoo is her top pick for brunettes that have lightened their hair. In addition to the ...

Most of my friends and colleagues have always known me as a redhead. But a quick swipe through Instagram reveals that I was, in fact, blonde for most of college into my first couple of years in New ...

Blonde, gray, and naturally light hair requires so much love and attention. As many know, regular shampoos dull the light color, and then you have to worry about things like sulfates, tonality, UV ...

Keep your locks from looking brassy with these violet-infused haircare products. By Celia Shatzman If you purchase an independently reviewed product or service through a link on our website, The ...