Traveling can really take a toll on your skin. All of the different elevations can be brutal.
One if the best things you can do for your skin is to have a very good moisturizer with you at all times. From traveling most people will experience dryness in their skin. And you might be one of them, so it is very that you keep your face hydrated at all times. A suggestion might be applying your moisturizer in the morning and at night.
Each person is going to have their favorite moisturizer. One suggestion would be to try out several different samples to determine which moisturizer works for you. Once you have figured that out your skin will look amazing, even when you are traveling. You might also bring a toner as well, the toner will even out your skin.
Traveling can be brutal on your skin, but if you are responsible and want to look your best at all times it is important that you make sure you keep your moisturizer on you at all times, so you can apply it when necessary. For more aggressive repairs, consider the benefits of hyaluronic acid fillers. Your skin will thank you for it.