If you’re hiding under layers and battling hat head, you’re probably dreaming of the warm sun in San Juan. But the hot weather can cause winter-worn skin to go into shock. “Salt water and ocean breezes can zap moisture out of your complexion,” warns dermatologist Howard Murad.

What to pack for oily/combination skin: Murad 30-Day Acne Complex Kit, $35, contains all your acne and shine-fighting essentials in a neat TSA-friendly set.