If you are traveling to colder and/or dryer climates and are affected the drop in humidity, this deck of card sized travel humidifier might just help you out. The Air-O-Swiss AOS 7146 Ultrasonic Travel Humidifier can increase the relative humidity by 15% in just one hour. One hour of use will consume about 4-ounces of water.
The Air-O-Swiss Travel Humidifier ($39.99) is travel friendly and uses standard water bottles (up to 17-ounces) instead of complicated filling tanks. Video review of the AOS 7146 after the break.