If you've ever decided to use hair dye to colour your hair but instantly regretted it then don't worry, because we've got you ...

According to Byrd, purple shampoos are great for blonde (natural or color-treated) or gray hair because they help counteract ...

Blue shampoos replace orange undertones with cooler brown shades. We tested the market leaders in our beauty lab to find the best for brunettes. Shop now.

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.

Yep, unlike darker brown hair colours, blonde hair has an ... As well as fortifying your strands, most blonde shampoos contain blue or purple pigments that give them their namesake colours.

"Purple shampoo neutralises the yellow in blonde hair, leaving a creamy ... "If you leave a purple shampoo on for too long, your hair will have a blue-purple tinge to it," Irwin cautions.

From neutralising brassy tones in blonde hair to boosting the ... warm red tones from brunette and dark coloured hair with this cleansing blue shampoo. It gently neutralises red and orange tones ...

After a while, you'll notice your hair starts to fade and becomes dull. Thankfully though, a really great purple shampoo will counteract this, and leave locks looking bright again. As well as ...