An applicator assembly includes at least one ampoule formed of a frangible material and containing liquid to be applied, a body having a proximal end, a distal end, and an interior portion defining a chamber adapted to receive the at least one ampoule, an application member attached to the distal end of the body, an actuator projecting from the body operable to fracture the at least one ampoule, a trench formed in a surface of the body, and a vent disposed through a surface of the trench.