[OBJECT] TO PROVIDE A SOLUTION (1) FOR FORMING A DOUBLE EYELID WHICH ENABLES EXTREMELY EASY FORMATION OF A NATURAL AND IDEAL DOUBLE EYELID WITHOUT GIVING A DISPLEASED FEELING OR AN UNCOMFORTABLE FEELING TO A USER, AND A METHOD FOR FORMING A DOUBLE EYELID USING THE SOLUTION FOR FORMING A DOUBLE EYELID. [SOLVING MEANS] A SOLUTION FOR FORMING A DOUBLE EYELID ACCORDING TO THE PRESENT INVENTION IS FORMED BY DISSOLVING, INTO A SOLVENT HAVING VOLATILITY, A FIBROUS MATERIAL WHICH FORMS A FILM (1A) ONTO A SKIN (5A) OF AN EYELID (5) AND SHRINKS WITH VAPORIZATION OF THE SOLVENT. BY APPLYING THE SOLUTION, IN A SUCCESSIVE-CURVE FORM, OVER AN IMAGINARY LINE I FORMING A FOLD (5D) OF A DOUBLE EYELID IN THE EYELID ONTO WHICH A USER WANT TO MAKE A FOLD AND VAPORIZING THE SOLVENT SO AS TO SHRINK THE FILM, SUCCESSIVE CONCAVED GROOVE-LIKE CONSTRICTED PART (5C) IS FORMED ON THE IMAGINARY LINE I AND THE FOLD OF A DOUBLE EYELID ALONG THE CONSTRICTED PART IS FORMED. FIG. 3
