The change in humidity, the exposure to indoor heaters, and blustery winds actually can make skin drier and duller.
湿度的改变，室内暖气的使用，狂烈的大风都会使得皮肤更加干燥和粗糙。

These elemental conditions can also make skin sensitivity, redness, and even itchiness or flaking.
这些因素会让皮肤敏感，发红，痒，起皮。
The skin of someone who is severely dehydrated will benefit from fluids.
皮肤容易干燥容易脱水的人，多喝水会改善皮肤状态。