PROBLEM TO BE SOLVED: To provide a novel raw material and formulation which have an integrin expression promoting action and a collagen gel contraction promoting action, and is used for promoting integrin expression and collagen gel contraction, further for improving skin elasticity, for preventing or improving skin sagging, and for preventing or improving skin contraction or skin aging.SOLUTION: The invention provides integrin expression promoter and collagen gel contraction promoter containing, as active ingredients, one or more kinds selected from Momordica charantia extract, Menyanthes trifoliata extract, Acanthopanax sieboldianus extract, Akebia trifoliata extract, Spinacia oleracea extract, Auricularia auricula-judae extract, and bee pollen extract.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】インテグリン発現促進作用及びコラーゲンゲル収縮促進作用を有し、インテグリンの発現促進やコラーゲンゲルの収縮促進、更には皮膚弾力性改善、皮膚のタルミ予防又は改善、皮膚引き締め、或いは皮膚老化予防又は改善のために使用される新たな素材及び製剤の提供。【解決手段】ナガレイシ抽出物、ミツガシワ抽出物、ヒメウコギ抽出物、ミツバアケビ抽出物、ホウレンソウ抽出物、キクラゲ抽出物及びビーポーレン抽出物から選ばれる1種以上を有効成分とするインテグリン発現促進剤、コラーゲンゲル収縮促進剤。【選択図】なし