There are lots of them and they're all around you!
At any age, skin is sensitive to external stressors due to the sun, cold and pollution, and is exposed to thermal fluctuations around 17 times a day, caused by temperature and humidity changes! Things that seem harmless like going outside, using public transport, entering a room that's too hot or too cold, exercising or sitting on the patio after a day at the office are enough to make thirsty skin dehydrate, become uncomfortable and lose its fresh glow.
Tobacco and alcohol are aggravating factors, as are stress and fatigue. Some medical treatments or cleansing products with high pH levels, overly harsh cosmetics and too much make-up can also trigger these issues and occasionally leave the skin feeling uncomfortable and less supple.
Too much screen time on computers and phones can also make water evaporate. There’s no escape!
In addition to these unavoidable external factors, internal culprits add up over time, like skin aging, genes, menopause and certain illnesses