PROBLEM TO BE SOLVED: To provide an external composition that exhibits excellent effect exerting prevention or improvement effect of wrinkles, skin flabbiness or the like, and beautifully whitening effect.SOLUTION: An external composition contains pterostilbene monoglycoside expressed in formula (1). The external composition is used for applications of promoting production of type 4 collagen, imparting resilience to skin, inhibiting tyrosinase activity, and imparting beautifully whitening effect, and the external composition does not contain a carotenoid compound, and substantially consists of pterostilbene monoglycoside only. A method for producing an external composition includes a process of mixing pterostilbene monoglycoside and a component which is permitted to be added to the external composition.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】小じわや皮膚のたるみ、等の防止又は改善効果や美白効果を発揮する優れた効果を奏する外用組成物の提供。【解決手段】式(1)で表されるプテロスチルベンモノグリコシドを含む外用組成物。該外用組成物は、4型コラーゲンの産生を促進させる、肌にはりを与える、チロシナーゼ活性を阻害する、美白効果を与える用途に用いられ、また、該外用組成物中にはカロテノイド化合物を含まず、実質的にプテロスチルベンモノグリコシドのみからなる。プテロスチルベンモノグリコシドと、外用組成物に添加することが許容される成分とを混合する工程を含む、外用組成物の製造方法。【選択図】なし