A fluid agent applying multi-vent nozzle is capable of densely disposing ejecting vents. At least one spar member forms first and second wings and is coupled to a fuselage. The control unit 21 refers to the auxiliary storage unit 23 and determines the authority of the operator based on the read ID. The focal length fN of the optical element, the distance Lt from the aperture stop to the optical element in the telephoto end state, the overall length of the zoom lens system Tt in the telephoto end state, and the focal lengths fw and ft in the wide-angle end and telephoto end states are set at appropriate values. The invention also concerns a cosmetic method for whitening andor lightening the skin andor hairs andor the hair comprising applying a composition of the invention.