She was especially impressed by how well this purple shampoo neutralized the brassy tones in her hair and gave it a healthy sheen, almost as though she’d spritzed on one of our favorite shine ...

"Purple shampoo neutralises the yellow in blonde hair, leaving a creamy to ash result," explains leading colourist and celebrity favourite, Josh Wood. "This is because yellow and purple sit ...

If you buy something, we may earn an affiliate commission. The best purple shampoo can prolong the brightness of bleached hair for months after the fact. If you’ve ever professionally bleached ...