<;P>;PROBLEM TO BE SOLVED: To provide an antibacterial agent developing synergistically enhanced antibacterial activity compared with lysozyme and triclosan, exhibiting wider antibacterial spectrum and having high solubility in water, a method for producing the antibacterial agent, and a cosmetic product and a pharmaceutical product developing high antibacterial activity against various bacteria causing infectious diseases, inflammation, underarm body odor, etc., suppressing the infectious diseases, inflammation, underarm body odor, etc., and having high antiseptic property. <;P>;SOLUTION: There are provided the antibacterial agent containing a dried material produced by drying a solution containing lysozyme and triclosan, the method for producing the antibacterial agent by drying the solution containing lysozyme and triclosan, and the cosmetic product and the pharmaceutical product containing the antibacterial agent. <;P>;COPYRIGHT: (C)2010,JPO&INPIT