Dye Them
Looking to extend the time between professional color appointments?
Clairol's Nice 'n Easy at-home root touch-up ($7;
clairol.com) can "buy you at least two weeks," says L.A. colorist Rona O'Connor. The pudding-like formula is "slightly more transparent than regular dye, so you can apply it to just the new growth—and the touch-up color won't look obvious."