PROBLEM TO BE SOLVED: To provide a preparation having extremely high bleaching effects.SOLUTION: It is known that addition of calcium to a preparation mixed with a bleaching ingredient has increased bleaching effects. Ascorbic acid or its derivative, hydroquinone or its derivative, kojic acid or its salt and their derivatives, ellagic acid or its salt and their derivatives, acetyltyrosine or its salt and their derivatives, acetylglucosamine, 4-n-butylresorcinol, magnolignan, mulberry bark, chamomilla, etc., may be included as the bleaching ingredient used. Blending of one or more or two or more selected from ascorbic acid, its derivative and their salts, hydroquinone glycoside, acetyltyrosine and acetylglucosamine increases the effect.
