Dry type eczema is caused by a weakness of Lung energy.
This type of eczema worsens in the winter which is a dry season.
Dryness influences bowel movements.
Patients with this type of eczema often have constipation as well.
Therefore, it is important to improve bowel movements.
Refer to the following URL for constipation:
http://www2.bbweb-arena.com/harizuki/MMA12.html

It is important to avoid hot spicy stimulating food such as curry, pepper, mustard, ginger, etc., because they weaken Lung energy.

If the skin is very dry, it is good to apply olive oil.
In the case of itchiness, it is good to rub the skin with a slice of Daikon.