The best purple shampoo can prolong the brightness ... then you know how hard it can be to preserve the hair’s blonde or platinum color. (I say “professionally bleached” because many of ...

Every blonde knows that the best way to maintain your hair dye is to use the best purple shampoo. If you love the look of ...

platinum or white hair, it’s designed to be used twice a week, keeping yellow brassiness at bay. Again, it’ll work in minutes or can be left on for longer, leaving a hint of purple in its wake.