The dark purple formula goes above and beyond, lathering well, rinsing easily, and leaving hair feeling clean and residue-free. And despite its vibrant color, it didn’t leave any telltale signs ...

Sunil, who has thick and naturally black hair has recently reached ... "If you leave a purple shampoo on for too long, your hair will have a blue-purple tinge to it," Irwin cautions.

Are you having a tough time embracing the grays when they're popping all over the place? Now, there's a ton of haircuts and ...

What you really need? A purple shampoo. Yep, unlike darker brown hair colours, blonde hair has an annoying tendency to fade and become brassy. Thankfully a toning purple shampoo can help prevent this.