All hair colours need maintenance of some kind, for blondes it’s the constant battle of keeping the brassiness at bay. Previously ashy cool toned blondes can start to look yellow when the toners applied in salon start to fade. To bring your blonde back to bright you need to deposit some gentle pigments back into the hair, with a blue or purple shampoo, to neutralise the warm tone.
There are lots of purple shampoos and blue shampoos on the market, let’s look at the differences between them to help you find the best one for you and our pick of the best ones on the market. If you’re wondering “what’s the best purple shampoo” or “how often should I use blue shampoo?” we’re here to help.