As the name suggests, purple shampoo uses violet pigments to tone and neutralize hair, allowing it to counteract unwanted brassiness and yellow/orange hues that can develop over time, according to ...

That's where purple shampoo, which is kind of a "toner ... contains keratin to help strengthen processed hair, as well as eliminating brassy, orange and yellow tones. Reviewers say this shampoo ...

Purple shampoos work on the basis of simple colour theory. The purple acts to neutralise any orange and yellow tones in blonde hair, transforming your colour to a cooler, ashier blonde.

A purple shampoo. Yep, unlike darker brown hair colours, blonde hair has an annoying ... Over time, these shades have a tendency to turn orange and brassy. Certain things will make this more ...

She was especially impressed by how well this purple shampoo neutralized the brassy tones in her hair and gave it a healthy sheen, almost as though she’d spritzed on one of our favorite shine ...

A purple shampoo. Yep, unlike darker brown hair colours, blonde hair has an annoying tendency ... Over time, these shades have a tendency to turn orange and brassy. Certain things will make this more ...

Don’t be alarmed if the water mimics the deep amethyst shade of the shampoo as you rinse – it’ll take away all of the brassiness in grey hair without leaving any purple behind. A range ...