An injection device for aesthetic medicine, for administering a fluid material beneath the skin of a person by means of a syringe. The injection device includes a motor system with a motor configured to drive a first piston, and at least a syringe cover adapted to be mounted on the motor system and to accommodate a syringe comprising at least a syringe barrel for accommodating the filling material, a syringe needle and a second piston located in the syringe and drivable by the first piston for ejecting a quantity of fluid material out of the syringe. The motor system is cable-free and electrically actuated.
