A click pen applicator device that provides predetermined dosing of the formulation for precise application, and rapidly primes the formulation using the dosing click mechanism to prepare the applicator for use.本發明係一種按壓筆式施用器裝置,其提供用於精確施用之預定劑量調配物且使用調劑按壓機構來快速注給該調配物以使該施用器準備供以使用。