If your hair is naturally blonde, color-treated blonde ... Color-depositing shampoos add specific pigments (either purple, blue or green) onto the hair shaft to maintain your desired color.

Boasting a violet hue, this affordable shampoo banishes yellow tones and unlocks brighter, healthier-looking hair ...

Ideal for blonde and highlighted hair, the formula has salicylic acid which she said can also help remove unwanted pigment.

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.

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.

"Purple shampoo neutralises the yellow in blonde hair, leaving a creamy to ash result," explains leading colourist and celebrity favourite, Josh Wood. "This is because yellow and purple sit ...

As with blonde, brunette or red, grey hair benefits from its own unique ... “The subtle addition of violet pigment in shampoo filters the appearance of yellow from the hair, making the strands ...