WHY IT WORKS "The duality in textures is stunning," Abergel says of Mary-Kate Olsen's nearly hidden plait. "The key is mimicking the beautiful undone texture in the braid."
EXPERT TIP Use a combination of beach spray and wax pomade to rough-up your hair, Abergel advises. "Tease and backcomb the section you're going to braid before you start. That keeps it looking undone, haphazard and not too perfect," he says.Read MoreLess