PROBLEM TO BE SOLVED: To provide a novel percutaneous absorption preparation that inhibits formation of hypertrophic scar or keloid and promotes healing of a lesioned part at which the hypertrophic scar or keloid has been already formed.SOLUTION: The present invention provides a percutaneous absorption preparation for inhibiting formation of keloid and hypertrophic scar and promotion healing thereof, containing loxoprofen or medically acceptable salt thereof as an active ingredient.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2017,JPO&INPIT【課題】肥厚性瘢痕やケロイドの形成を抑制するとともに、既にこれらが形成された病変部の治癒を促進できる新規な経皮吸収製剤を提供すること。【解決手段】ロキソプロフェン又はその医学的に許容可能な塩を有効成分として含有する、ケロイド・肥厚性瘢痕形成抑制経皮吸収製剤又はケロイド・肥厚性瘢痕治癒促進経皮吸収製剤。【選択図】図3