"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 tones that occur when lightened hair oxidizes." In layman's terms, it keeps your lightened brown hair from turning that pesky orange-red hue. While blue shampoo is ...

Meghan Markle's hair is a great example of a true espresso ... while warm tones on cooler skin can result in a brassy look," McHie explains. "It's all about preference, and there are always ...