Best Serum Routine Before a Long Flight to Prevent Skin Dehydration Long flights are one of the most underestimated causes of sudden skin dehydration. Cabin air in commercial aircraft is extremely dry, often containing 10–20% humidity, which is far lower than the moisture levels skin needs to maintain healthy hydration. Without preparation, this environment can cause … Continue reading Best Serum Routine Before a Long Flight to Prevent Skin Dehydration