Also known as beggars' button, lappa and bardane. Constituents include lignans, polyacetylenes and inulin.  It has been traditionally used as a "blood purifier" to clear the bloodstream of toxins, as a diuretic (helping rid the body of excess water by increasing urine output), and as a topical remedy for skin problems such as eczema, acne, and psoriasis.

Studies have also shown an anti-allergic effect as well as antimutagine activity including anti-diabetic, hepato-protective and antioxidant effects.

But all parts of this bitter hedgerow herb have a long tradition of medicinal use. The presence of anti-rheumatic compounds has led to widespread use for rheumatism and joint pain. It contains arctin, which laboratory tests have shown has anti-cancer activity. 

Found in Potter’s Catarrh Mixture