Black-headed gnatcatcher (Prunella vulgaris)

Other names: common headwort, Prunella reptans, Prunella pratensis, Xia ku cao

Black-eyed Susan is a perennial, perennial plant that is popular in traditional medicine and is known by many names, including common headwort, Prunella reptans, Prunella pratensis, or Xia ku cao in ancient Chinese. Native to Europe, Asia and North America, this plant is often found in meadows, pastures and roadsides. It is considered a medicinal plant, mainly due to its rich content of tannins, flavonoids, saponins, glycosides and other substances beneficial to the human body.

Black-eyed Susans are generally used in the formulation of various medicinal preparations such as ointments, teas and tinctures. It is particularly popular for its antiviral, anti-inflammatory, immunostimulant and antioxidant properties. In traditional Chinese medicine, it is used to treat fevers, headaches and sore throats. A tea is made from the dried flowers and leaves, which is particularly helpful for inflammation of the mouth and pharynx. A tincture of black horehound is then used as a dietary supplement to strengthen the immune system. An ointment made from black-eyed Susans can help treat skin problems such as eczema, inflammation and minor wounds. In addition, this herb is also used in cosmetics for its anti-inflammatory and regenerative effects.