An applicator is provided with a nozzle which includes a nozzle head located at the tip thereof and an inner part to which gas is fed, at least two inner tubes which are inserted into the nozzle and used for feeding at least two kinds of liquids that gel when mixed together to the nozzle head, and a liquid feed unit which feeds each of the liquids to each of the inner tubes. The nozzle head includes a mixing unit body to which the inner tubes are connected and inside which the liquids are allowed to join and mixed together and an opening which is formed on the tip side of the mixing unit body and used for jetting a liquid mixture of the liquids together with the gas. The gas is fed from at least the rear end side with respect to a confluent section in which the liquids join together in the mixing unit body.
