All week long, the world's top models have been running around in the harsh winter wind from show to show at.
Despite the chill outdoors, and the many makeup transformations they've undergone backstage, they manage to maintain their glow off-duty. The secret? It's all about staying moisturized, of course. Here, 10 models who walked at Jason Wu, Carolina Herrera, and Prabal Gurung reveal their must-haves, from hydrating lip scrubs to nourishing face creams.