True licorice increases blood pressure
In this randomized controlled trial, daily consumption of black licorice candy increased systolic blood pressure. This study used true black licorice containing glycyrrhizic acid, which is not widely available in the United States.
Topical licorice for canker sores
Glycyrrhiza uralensis mouthwash for halitosis
Can polyphenol supplements eradicate H. pylori infection?
Licorice root extract mouth rinse for gingivitis and plaque
Botanical extracts for hyperpigmentation