What are the causes of dry skin?

The causes of dry skin are very diverse.

First, it is divided into external and internal factors.

If you are stressed due to excessive work or

In cases of weakened kidney function and blood deficiency

It is acting as an internal factor.

Let's look into external factors.

With the drying weather and cold wind

It is caused by indoor and outdoor temperature and humidity.

As such, because the causes are diverse

I can't say exactly what I'm doing, but

Because dry skin is sensitive

As a result, it is being heavily affected.