"Brassy hair is caused by color that lacks a grounding tone, such as brown or beige," says Valdes. Dickie adds that ...

"It neutralizes the brassy ... hair oxidizes." In layman's terms, it keeps your lightened brown hair from turning that pesky orange-red hue. While blue shampoo is recommended for color-treated ...

Meghan Markle's hair is a great example of a true espresso brown ... in a brassy look," McHie explains. "It's all about preference, and there are always exceptions, but generally, the color ...