If you're between haircoloring appointments (or late on your at-home shampoo-in job) and your roots are showing, zigzag your part. It will conceal the growing-in color and also add volume, says Kim Vo, Las Vegas celebrity colorist.
We're sharing insider information we coaxed from hairstylists, colorists, makeup artists, and manicurists to help you get the most bang for your beauty-service bucks.