PROBLEM TO BE SOLVED: To provide an antibacterial composition which can synergistically reinforce respective antibacterial actions of triclosan and resorcin or salicylic acid even in various states of the skin and the scalp which differ in the amount and the ratio of sweat and sebum, and a skin care preparation comprising the antibacterial composition.SOLUTION: The antibacterial composition for anti-Staphylococcus epidermidis, anti-propionibacterium acnes, anti-Malassezia furfur and the like comprises triclosan and resorcin and/or salicylic acid, and the skin care preparation comprises the composition.COPYRIGHT: (C)2008,JPO&INPIT【課題】汗や皮脂の量や比率が異なる様々な肌や頭皮の皮膚状態でも、トリクロサンと、レゾルシン又はサリチル酸がそれぞれ有する抗菌活性を相乗的に増強できる抗菌性組成物、並びに該抗菌性組成物を含有する皮膚外用剤を提供すること。【解決手段】トリクロサンと、レゾルシン及び/又はサリチル酸とを含有してなる、抗腋臭原因菌用、抗ニキビ菌用、抗フケ菌用などの抗菌性組成物、並びに該組成物を含有してなる皮膚外用剤とする。【選択図】なし