The present invention relates to a kit for applying a liquid composition on or in the skin, comprising an injection device and one or more cartridges, provided with a container appropriate for receiving a liquid composition, in which the injection device is provided with means for receiving a cartridges, characterized in that the container is provided with a movable body. The cartridge is provided with a peripheral edge, that allows the safe removal of a used cartridge out of the device. In a second aspect, the invention relates to a method for applying a liquid composition onto the skin.本發明係有關於一種將液體組合物施加至皮膚上或中的套件，其係包含一注射裝置以及設有適於接受一液體組合物之容器的一或更多卡匣，其中該注射裝置設有用於接受卡匣的構件，其特徵在於：該容器設有一活動體。該卡匣設有一周圍邊緣，其允許安全地由該裝置卸下用過卡匣。在第二方面，本發明係有關於一種將液體組合物施加至皮膚的方法。
