As a brunette, I hate when my hair becomes dull or brassy. Whether I'm aiming for a rich chocolate shade or a cooler brown tone, I want to make sure I'm maintaining that color. Thankfully, there are shampoos out there specifically designed to keep your color looking fresh; these products will bring out both highlights and low-lights in your locks. We rounded up the very best options so you can keep your brunette mane looking glorious. Whether your hair is natural or color-treated, you'll be pleased. Take a look at these highly rated picks and test them out for yourself.