Based on color theory, blondes should use purple shampoos, which is one type of color-depositing shampoo. As the name suggests, purple shampoo uses violet pigments to tone and neutralize hair ...

Andie MacDowell's secret for maintaining her vibrant and voluminous gray locks is in this under-$20 L'Oréal Paris purple ...

While an over-the-counter purple shampoo can't replicate the nuanced work of a skilled colorist, it's useful if you're in between appointments. "It can help keep your color fresher for longer ...

If, like me, you've dabbled in a blonde hair colour at some point or other, I'm sure you will know the continual struggle of preserving the high maintenance hue - after all, it's pretty common for ...

There’s the purple shampoo from my DIY-bleach escapades ... for when I’ve gone too heavy with the heat, and the color-safe shampoo I use to preserve my ruby-red look.

Want to create the illusion of brighter, blonder hair with every wash? It’s time you tried a purple shampoo. We’ve all been there. You come out of the hairdressers feeling like your blonde is ...

Sulfates are essentially detergents that give a shampoo that satisfying ... I’ve found shampoos with purple-depositing formulas to fight brassiness. As the sun can fade color, I’ve also ...

Choose a semi-permanent purple dye then dial down the vibrancy by mixing it with conditioner. To maintain the colour, a purple or ‘silver’ shampoo is a non-negotiable. These boast violet ...