Cleavers is a pasture plant of Britain and North America easily recognized by its clinging leaves and sticky seeds that attach themselves to passing people and animals. The entire plant is used in herbal medicine, harvested just before it blooms in early summer. Cleavers is related to both quinine and sweet woodruff. It has no odor, and a slightly bitter taste. It is used both internally and externally in the treatment of a wide range of ailments. A valuable diuretic, it is often taken to treat skin problems such as seborrhoea, eczema and psoriasis, and as a general detoxifying agent in serious illnesses such as cancer. It has a mild laxative effect and stimulates the lymphatic system and has shown benefit in skin related problems.