What causes skin itching in winter?

Winter skin itching is generally caused by dry skin. Winter skin is relatively dry, skin hydration drops faster, so it is easy to cause local cuticle to be moisturized, it will show skin itching. In this case, you can choose to use hyaluronic acid gel or human-like collagen milk for external application, which has a certain improvement effect. If the itching is very intense and accompanied by obvious wheal-like changes, it should be considered that it is caused by simple allergic factors, and oral cetirizine tablets or loratadine tablets can be selected for treatment.