A Rooty, Intentional Ombré That Looks Grown-In—On Purpose Blending brightness with rooty depth, the Olsen Dip is Bianca Hillier’s (@biancacolour) signature take on modern ombré—a soft, dimensional blend that looks grown-in on purpose. Inspired by Mary-Kate and Ashley Olsen’s undone glamour, this technique channels effortless cool without the upkeep. Consider this your sign: Ombré is having a major moment right now, and it's one of the top trending hair colors. Known for her lived-in balayage approach, Bianca’s go-to technique combines seamless transitions with high shine and minimal brass. Keep reading for toning tips, smart placement strategy,...