Bobolen Lichen Icelandic Cough Syrup is a medical device that intended for children from 1 year. Contains Icelandic lichen extract, zinc and raspberry and chokeberry juice concentrates. Recommended for use in dry, irritating cough, sore throat, irritation and dryness of the mucous membrane of the throat and hoarseness caused by v.a. excessive overload of the vocal cords. substances contained in Icelandic lichen have an enveloping and protective effect on the mucous membranes of the mouth and throat, soothe irritations caused by dry, irritating coughs, itching in the throat, dry air and hoarseness caused, among others. strain on the vocal cords.