but are specifically made to cancel out brassy tones in brunettes,” says Ferreira. A hair mask doesn’t have to be tinted to have an impact on your brunette colour though. “Treatments to ...

From neutralising brassy tones in blonde hair to boosting the rich, warm tones in brunettes and even fading-out greys, these supercharged shampoos deposit small amounts of colour with every wash.

Plus a briefer on why hair goes brassy to begin with. Fact checked by Isaac Winter You drop a decent amount of cash on a dye ...