- Drink lots of water. Although you can request water from your flight attendants, it is a good idea to bring plenty of water on board with you. You may either purchase bottled water once you pass security or bring an empty bottle with you to fill from a water fountain. Remember that you should never drink the water from airplane bathrooms; it may contain bacteria.
- Use eye drops (eye drops may now be carried through security) whenever your eyes feel dry. If you are really uncomfortable, don't hesitate to inform cabin crew.
- Consider saline nasal gel if your nostrils feel uncomfortable breathing dry air. Saline nasal gel, which can usually be found near the saline nasal wash at a drugstore, can help keep the inside of your nose moist and make breathing more comfortable. Apply in the restroom and wash your hands before and after. You can put it on a cotton swab and coat the inner 1⁄2 inch (1.3 cm) of your nasal passages. It may seem gross, but it really works for preventing your nose from painfully drying out.
- Bring lip balm in a 3 oz or smaller container and use it to protect your lips from becoming painfully dry. Bring a small container of hand lotion or cocoa butter if your skin dries easily.
Take steps to protect yourself from the dry air on board the plane. The air in a plane is very dry and may dehydrate your system.
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