Dry eyes and skin. Why your eyes and skin feel dry after a long flight.
| ||The symptoms often described after flying, eg dry eyes, dry mouth etc, taut skin, are due to the dry atmosphere onboard the aircraft. The relative humidity in most air conditioned buildings is between 40 and 70 per cent which is ideal for comfort. On an aircraft, the relative humidity may be of the order of 20 per cent. This however does not cause true dehydration but these symptoms may be exacerbated by drinking excessive amounts of tea, coffee and alcohol which cause the body to pass more urine. Simple measures such as applying moisturiser and drinking water should alleviate the symptoms. There is no hazard to health as a result of this environment. Contact lens wearers may have to re-wet their lenses and should remove them prior to sleeping during the flight.|
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