The best purple shampoos, according to our testers, include Amika, Kristen Ess, and IGK, and Nexxus. Our picks range in price ...

It’s pigmented enough to knock out brass in one wash but doesn’t leave that weird purple cast if I rinse thoroughly. I only use it once a week and follow up with a deep conditioner.

Incredibly nourishing yet still lightweight, this formula is a must for maintaining sleek, salon-worthy strands ...