2 filter packets (3.0 g) are placed in a glass or enamel ware, pour 200 ml (1 cup) of boiling water,cover and insist 30 minutes, periodically pressing on the bags with a spoon, then squeeze them. The volume of the resulting broth is brought to 200 ml with boiled water. Decoction is used topically for lotions and 1 / 2-1 / 3 cup for douches and rinses 2-3 times a day; course of treatment - 5-14 days.
It is recommended to stir up the broth before use.