This colour-correcting shampoo banishes brassy tones & brings the best out of blonde, gray or silver hair. Not only does it defend against colour-fading but it also combats frizz, repairs & nourishes your hair, & gives it that healthy salon-worthy shine. To use: Massage into wet hair & leave to set in for 3 to 5 minutes. Rinse off after use & follow with conditioner. To be used up to 3 times a week.