This external preparation for skin has increased percutaneous absorption characteristics of taurine, and is characterized by containing taurine and at least one of either diisopropyl adipate or diisopropyl sebacate.本發明係含有牛磺酸以及至少1種己二酸二異丙酯及癸二酸二異丙酯為特徵之增加牛磺酸經皮吸收性之皮膚外用劑。