How is potato and borneol paste made?

Potato and borneol paste: Formula: appropriate amount of potatoes and a little borneol.

Operation: Wash the potatoes, cut them into small pieces, put them into a blender, and add cold boiled water as appropriate to make them into a thin paste; Grinding Borneolum Syntheticum into powder; Add it to mashed potatoes. Dip the affected area with a clean brush and apply it several times a day to keep the skin moist.

Efficacy: harmonizing stomach, invigorating spleen and qi, diminishing inflammation and detoxicating.

Mustard soup: Formula: moderate amount of mustard.

Operation: Wash the mustard tuber, chop it up, put it in a pot and add water to fry the soup. After the vegetable soup is kept warm, wash the affected area several times, 1 day.

Efficacy: dispersing lung and resolving phlegm. Indications: Paint allergic dermatitis.