Corn silk, the stigma and style of maize (Zea mays) (Gramineae), has diuretic properties and is used for urinary-tract disorders including renal calculi. Maize is widely used as a food and has also been used in herbal medicine.

Fr.: Insadol; Switz.: Insadol; UK: Protat. Multi-ingredient: Austral.: Althaea Complex; Urinase†; Pol.: Neopoldanen; Spain: Diurinat; Renusor†; UK: Elixir Damiana and Saw Palmetto.