The first cause is winter weather causes dry air, including the time in air all day. According to Haroun (n.d.), the humidity and dry air contributes to the water content of the stratum corneum and dryness tends to occur the moisture in the air drops below 30% (p.42).
In addition, dry skin in winter is caused by the humidity of the air is less than the skin. Moisture is evaporating and drying. The appearance of symptoms that ranges from dry to slightly flaky, cracked and peeling to severe. There are several ways to prevent such as the clothes are entirely due to the time out of our skin is exposed to cold air, which makes our skin dry. So we should be wearing gloves or scarf to protect our skin. Haroun (n.d.) said that people should reduce the shower frequency to one or two per week and the other is to bathe daily with the physique totally immersed in water for 10 minutes or under the continuous spray of the bathing for 10 minutes (p.42).