Can boiled water with mugwort leaves stop itching and how to do it?

Mugwort leaves can be used externally to treat itchy skin externally, so boiling water with mugwort leaves can stop itching. 100g of mugwort leaves, add 1000ml of water to boil, boil and take the juice to cool to 35~40°C, fumigate the affected area can be.
Mugwort leaves can be used externally to dispel dampness and kill insects to relieve itching, used for eczema, pubic sores, scabies and other itchy skin diseases, can be used with xionghuang, fengfeng, peppercorns decoction fumigation of the affected area. Modern also have the use of mugwort leaves boiled water fumigation treatment of mid-pregnancy pruritus with good results reported.
In addition, in addition to the external use of moxa leaves, you can also pound moxa leaves, made of moxa sticks, moxa cones, etc., used to smoked moxibustion surface acupuncture points, can make the hot gas injection, can warm the blood, through the meridians.
Precautions: moxa leaves boiled water can not stop all causes of itching, skin itching should be first to the dermatology department to identify the cause of the medication, in the case of the appropriate use of moxa leaves used.