[Problem] To provide a denture detergent which, after introduced into water, is inhibited from causing bubble accumulation on the surface of the water. [Solution] This denture detergent comprises a foaming agent, an anionic surfactant, menthol, and silica and has been regulated so that a solution obtained by dissolving 2.65 g of the denture detergent in 150 ml of 25ºC water has a pH of 8-11.