Experts Reveal Their Favorite Products For Maintaining Rich (and Healthy!) Brunette Color

"The shea butter and Moroccan lava clay in this mask help condition and moisturize, something that’s so important after coloring as hair can become dry. You want to make sure your hair is nourished so your beautiful brunette color doesn’t become dull! It’s also 99 percent biodegradable and has no silicones, parabens, or artificial colorants." — George Papanikolas

Matrix Biologe R.A.W. Re-Hydrate Mask ($11, originally $30)