Sun exposure, heat styling, and overwashing could all be causing your brassy hair situation. Here's how to fix it.
How to fix bleached hair that turned yellow: a comprehensive guide - Ugly Duckling
Brassy Hair – Color Wow
Which toner removes brassy tones from blonde hair? - Ugly Duckling
How To Get Rid Of Brassy Hair? - AZ Hair
DIY Hair Toner: How to Fix Brassy Hair and Other Unwanted Red Tones
How to Get Rid of Brassy Hair
How to Fix Brassy Hair Color at Home: 10 Effective Solutions
From a Stylist: The Best $4 Fix for Brassy, Chlorinated Hair - Fluent in Blonde.
How to Fix Orange Hair After Bleaching Gone Wrong – The Right Hairstyles