<p>A mascara dispensing system including a motonzed applicator unit with an applicator brush attached to a revolving running staff surrounded by a stabilizing sleeve is disclosed The motonzed applicator unit is configured to automatically revolve the applicator brush in a selectable direction and/or at a selectable rotational speed via a control pad or switch The system also includes a container unit that holds a mascara formulation or a replaceable mascara cartridge The container unit detachably couples to the motorized applicator unit through one or more secupng features that provide a user feedback when opening and closing and that provide a substantially air¬ tight seal between the motonzed applicator unit and the container unit In accordance with further embodiments of the invention, the container unit includes a contoured insert feature that minimizes the amount of air or space between the container unit and the motonzed applicator unit when they are coupled together</p>