We applaud those of you brave enough to whip out an entire in-flight skincare regimen. We, however, have yet to muster up the confidence to don an eye mask in public. Traveling can do a number on your skin, but luckily, with the proper diet precautions, you can help prevent any post-flying skin freakouts. What, pray tell, are those precautions? For that, we called in international wellness and nutrition expert (and frequent flyer), Jessica Sepel.