Ahead, the fall hair colors that will define the season ... Moroccanoil Global Celebrity Colorist Matt Rez wants you to let them grow, since autumn will be all about embracing the gray.

As colorists, we do our best to create this look after coloring and or highlighting hair,” says celebrity hair colorist Matt Rez. To create the shadow root, colorists use a slightly darker shade at ...

Anyone who has ever made a drastic hair color change knows the highs and lows that come with it. You leave the salon with flawless color, but within a few weeks, roots start to peak through, and ...

"This is a great example of somebody who had a shadow root done in the salon and is able to grow out her natural color," Rez says. Again, in photos, light hair can look more exposed, and dark can ...