1. Drink a lot of water

1. Drink a lot of water

This basic skincare tip is as old as time, and will cost you nothing, but it’s easy to neglect hydration when you’re running between airport terminals. And when presented with the drinks cart on a long-haul flight, most of us would rather go for the free wine than that little canister of water. Instead of getting drunk 30,000 feet in the air, use that time to flush out toxins that come from airplane food with some good old H20.