The present invention provides a method and agent for reducing unpleasant body odor by specifically reducing the ratio of harmful bacteria resident on the skin. The present invention relates to a body odor generation inhibitor containing an enterococcus faecalis (Enterococcus faecalis) EC-12 strain (registration number FERM BP-10284) as an active ingredient, a skin external preparation using the same, a cleaning composition And sanitary sheets.本發明提供一種藉由特異性地減少常駐於皮膚之有害菌之比率而減輕令人不快之體臭的方法及藥劑。本發明係關於一種含有糞腸球菌(Enterococcus faecalis)EC-12株(寄存編號FERM BP-10284)之菌體作為有效成分之體臭發生抑制劑、利用其之皮膚外用劑、洗滌用組合物、以及衛生片材。