Marie Claire: Alexa Chung Beauty Passport

"Travel must-haves: Moisture is the name of the game. I use Eyeko's cooling hydrogel patches to keep under-eye circles at bay.

After-flight trick: Lashings of mascara make you look alert. I use Eyeko's Rock Out & Lash Out Mascara. You look as pretty at the end of the flight as you did at the beginning."