PROBLEM TO BE SOLVED: To provide a new skin-lightening agent, and a new skin-lightening skin care external application or skin-lightening cosmetic.SOLUTION: The skin-lightening agent contains a tart cherry fruit squeezed liquid and/or a tart cherry fruit extract, as effective components, and the skin-lightening skin care external application or skin-lightening cosmetic contains the tart cherry fruit squeezed liquid and/or the tart cherry fruit extract.COPYRIGHT: (C)2012,JPO&INPIT【課題】新規な美白剤並びに美白用皮膚外用剤又は美白用化粧料を提供すること。【解決手段】タルトチェリー果実搾汁液及び/又はタルトチェリー果実抽出物を有効成分とする美白剤、並びにタルトチェリー果実搾汁液及び/又は果実抽出物を含有する美白用皮膚外用剤又は美白用化粧料である。【選択図】なし