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 ...

A pop culture enthusiast, Konika is a beauty writer who loves exploring all things makeup and skincare. She has previously written for publications like Grazia India. Simply put, blue shampoo is a ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Blue shampoo won't turn your hair blue. But what it can do is help ...

If you purchase an independently reviewed product or service through a link on our website, we may receive an affiliate commission. Learn more about our policies and reviews. If you have blonde hair ...