A protective film forming spray for skin surface includes a spray bottlefilled with anundiluted spray solution and a propellant, the undiluted spray solutioncontaining 2 to40 mass % of water-soluble resin and 2 to 40 mass % of water-insoluble resinso thata total content of the water-soluble resin and the water-insoluble resin is 15to 50mass % and a remainder is solvent.