PROBLEM TO BE SOLVED: To provide a denture cleaning agent which inhibits the metallic part constituting a denture from being rusted.SOLUTION: There is provided a denture cleaning agent comprising (1) a hydrogen persulfate, (2) a perborate and/or a percarbonate, and (3) a benzotriazole compound.COPYRIGHT: (C)2011,JPO&INPIT【課題】義歯を構成する金属部分が錆びることを抑制する義歯洗浄剤を提供する【解決手段】(1)過硫酸水素塩、(2)過ホウ酸塩及び/又は過炭酸塩、並びに(3)ベンゾトリアゾール系化合物を含む義歯洗浄剤【選択図】なし