Add Yahoo as a preferred source to see more of our stories on Google. Olivia Wong/Getty Images Anyone who has ever made a drastic hair color change knows the highs and lows that come with it. You ...

- Multi-dimensional color techniques create the illusion of volume and depth by using multiple shades instead of single-process color. - Root shadowing and baby lights can transform sparse areas by ...

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 you ...

Emily is a New York-based writer and InStyle's senior editor, evergreen & special projects Paris Hilton has a classic example of a shadow root, with darker dirty blonde or brunette roots blending into ...