A deciduous shrub that is widespread in many of the world’s continents, including Europe. Its fruits consist of clusters of tiny, dark-colored berries. It is used in the medical field and food industry and also has very interesting effects on the skin. It contains two main classes of polyphenols: flavonoid glycosides, which have a valuable antioxidant effect, and hydroxycinnamic acid derivatives with anti-inflammatory and antibacterial properties.