Rule #2: Let Your Roots Show...a Bit
"Exposing a reasonable amount of roots [we're talking up to an inch] is not only acceptable but enviable these days," says André Viveiros, lead colorist at Orlo, the trendy New York City salon. The rule goes hand in hand with the softly tousled tress trend (see Rule #1), Viveiros notes. "It's that low-key, high-maintenance thing. It should look like you don't spend a lot of time doing your hair ‑- even if you do." To this end, Viveiros has been advising clients with highlights to come in every two to three months, rather than every six weeks, for touch-ups. "Basically, you're after a slightly imperfect effect, similar to the way a kid's hair appears naturally lighter in random spots after a summer.