Purple shampoo aims to remove yellow or brassy tones from hair by depositing a small amount of violet pigment on it during a wash. Companies often market it to those with blonde or lightened hair.

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 ...

Purple shampoo is a color-correcting toner that reduces brassiness and harsh yellowing in blonde, white, gray, or silver hair. If you dye your hair blonde, purple shampoo may help your hair maintain ...