Multiphasic nano-components having at least two phases and at least one active ingredient are provided. Integrated into the substrate is a micromechanical component that has a bending element which can be bent reversibly and which has a first end connected to the substrate and extends from the first end over a free space. In the housed state, the hub is retreated to the rear end side with respect to the main body, and the protective cover is advanced to the tip end side and the cutting edge of the needle is housed within the protective cover.