Perfecting this generation’s version of “The Rachel” before the first day back on campus meant going straight to the source: Debra Wiebe, the hair department head for the Prime Video series. The expert defines the highly requested shape as a “disconnected shag,” a specific technique that prevents the middle section from dropping flat and losing its volume. How To Request The LookTo get this right at your next salon appointment, you just need to tell your stylist you want a “disconnected shag.” That way, you get all that bouncy lift up top without accidentally thinning out the rest of your hair. Prime VideoTo keep your layers from totally quitting on you between lectures, just replicate the show’s genius behind-the-scenes refresh routine.