However, not all blonde toners are created equal. Some are rinse-out, some are leave-in, and some are good, old hair masks.

The list goes on,' says Wood. Toners can bring any hair colour back into balance, be it a brown that has become too warm, or a blonde that has turned a little brassy. 'If your hair has faded or ...

FIND OUT MORE ON ELLE COLLECTIVE Think of hair toner as a colour corrector for your hair. If you're blonde and find your hair goes too yellow, it can cool down those brassy tones. If you're a ...