Unlike bleach, which alters the internal structure of your hair, toners deposit color on top of the hair shaft. While this is less damaging, overusing toner on hair that's been bleached can lead ...

"Bleached hair acts like a blank canvas," explains Kornelija. "When you're going from dark, while it is also a blank canvas, you have to go about it in a different way." ...

To keep your bleached hair a cool shade of silver, as opposed to yellow or orange, you're going to want to use a purple shampoo or purple conditioner, like this one, about once a week (or less ...

If, after 20 minutes, my hair is still very orange, then I check it every 10 minutes until I've achieved a workable base color — do not leave bleach on your scalp for more than 45 minutes!

If you don’t bleach enough of those pigments out, you end up with brassy orange or straw-yellow hair. “Brassiness” refers to the unwanted warm or yellow tones that emerge from lightened strands.