A Balayage grows out beautifully meaning less frequent appointments and maintenance, however like all hair colour, you want to protect it: use a colour protecting shampoo and conditioner, as well as regular treatments and heat protection products when styling. Serie Expert Vitamino Color shampoo & conditioner can protect against colour fading for up to 8 weeks*. As with all blonde or highlighted hair, a purple shampoo can help to neutralise brassy yellow tones and revive colour. *Instrumental test shampoo and conditioner