Bactericide, antiseptic, dermally applicable composition, washing composition, antibacterial fiber aggregate, method for eradicating a microorganism, and method for inhibiting the proliferation of a microorgamism
A bactericide and an anticeptic comprises at least an amide group-containing guanidine derivative represented by General Formula (I) or a salt thereof: n n n wherein R 1 and R 2 are same or different and each denotes a hydrogen atom, a straight or branched alkyl group or alkenyl group having 1 to 4 carbon atoms, R 3 denotes a straight or branched alkyl group or alkenyl group having 1 to 22 carbon atoms, and A denotes a straight or branched alkylene group or alkenylene group having 1 to 10 carbon atoms.