20 Natural Remedies for a Cold Sore
Licorice Root
Licorice root has been shown to have antiviral properties, which means that people sometimes turn to it to treat cold sores. But before you reach for the candy jar, some bad news--a topical cream with licorice root in it is probably more effective than eating it.
Like many of the topical remedies for cold sores, you've simply got to apply a little of the licorice root at the problem area.
