PROBLEM TO BE SOLVED: To provide a melanogenesis inhibitor and a skin-whitening agent.SOLUTION: The melanogenesis inhibitor and the skin-whitening agent contain an amide composition having an acetylenic group.COPYRIGHT: (C)2012,JPO&INPIT【課題】メラニン産生抑制剤並びに美白剤を提供する。【解決手段】アセチレン基を有するアミド化合物を含有するメラニン産生抑制剤および美白剤。【選択図】図1