| abstract |
PROBLEM TO BE SOLVED: To provide a bactericide having an excellent antibacterial activity and high chemical stability, a composition for applying to the skin using the preservative and / or a bactericide, and a cleaning agent. Provided are a composition, an antibacterial fiber aggregate, a method for disinfecting microorganisms, and a method for suppressing the growth of microorganisms. SOLUTION: At least the following general formula (I): (In the general formula (I), R 1 and R 2 each represent a hydrogen atom, 4 linear or branched alkyl or alkenyl groups, which may be the same or different. R 3 is a linear or branched alkyl or alkenyl group having 1 to 22 carbon atoms. A is a linear or branched alkylene group or alkenylene group having 1 to 10 carbon atoms. A bactericide and an antiseptic comprising an amide group-containing guanidine derivative represented by the formula (1) or a salt thereof. |