The fashion month marathon is upon us and we'll be departing from New York City to London, Milan and Paris with the newly redesigned Rimowa case in tow. In need of some packing advice, we turned to mega-stylist Law Roach to hear what he'll be bringing with him to these fashion capitals and what he carries onboard to get through his flights.

Kiehl's Nightly Refining Micro-Peel Concentrate

Kiehl's Nightly Refining Micro-Peel Concentrate, $60; www.kiehls.com

"I keep this in my bag and put it on before and after my flight."