2 filter packs (4 g) are placed in a glass or enamel ware, pour 100 ml (1/2 cup) of boiling water, cover with a lid and insist for 15 minutes, periodically pressing on the bags with a spoon, then the filter bags are squeezed. The volume of the infusion obtained is adjusted to 100 ml with boiled water.
Locally, for rinses, use 1 / 2-1 cup 6-8 times a day. The course of treatment 2-4 weeks. Before use, the infusion is recommended to be shaken.