All products featured on GQ are independently selected by GQ editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. The best purple shampoo can ...

The feeling that lives rent-free in our heads? Walking out of a salon with freshly colored hair. But we demand rent from the brassiness and dullness that happens after a few weeks. That’s where ...

To pick the best purple shampoo, I started with the bottles that are in my and other PureWow editors' showers. From there, I determined the best features of each and any specific key ingredients that ...

If you’ve spent the time and money to get your hair dyed professionally or do it yourself with at-home hair color, chances are you’ll do anything to prolong and preserve your color-treated hair.