So, you've got your purple shampoo and you're ready to go - but what else can you do to keep your yellow hair at bay? Well, for starters, try using a color-depositing mask once a week to keep your hair looking fresh and fabulous. And don't forget to use a color-protecting spray to keep your color from fading too quickly.
How to Tone Brassy Yellow and Orange Hair | Brassy hair, Orange hair
And if you're feeling really adventurous, you could always try using a blue shampoo to give your hair a cool, ashy tone. Just be careful not to overdo it - too much blue can leave your hair looking a bit alien-like. But hey, if that's the look you're going for, more power to you!
On a final note, remember that toning yellow hair is all about experimentation and finding what works for you. So don't be afraid to try new things and make mistakes - after all, that's what hair is all about, right? And if all else fails, you can always just own the yellow and rock it like it's nobody's business!