Abstract: A substance applicator device having a proximal end and a distal end includes a wedge-shaped rigid housing having a lower surface and an upper surface, the upper surface defining a cavity, a fixed valve seat disposed within the rigid housing and defining a chamber therein, a pump disposed on the valve seat and configured to draw the substance from the chamber, and a toggle disposed in the cavity of the rigid housing and moveable relative to the housing, the toggle being in contact with the pump, the toggle including an upper cover, a lower frame and a well disposed therebetween, the upper cover having at least one hole and the lower frame having at least one aperture.