Purple shampoo should not be used the same way you use traditional shampoos. It’s also not recommended for dark hair. Color wheels are used to represent color theory, which provides information ...

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

Before using a purple shampoo, wash your hair with a clarifying shampoo. This will help remove any existing product buildup, which could prevent the purple shampoo from properly absorbing.