It is antibacterial and antiviral, it can help reduce inflammation on the skin, acne and eczema. Licorice tea is a popular herbal tea made from the root of the licorice plant (Glycyrrhiza glabra). The root of the licorice plant has a naturally sweet flavor, which makes it a common choice for herbal teas, as it can add sweetness without the need for sugar or other sweeteners.