PROBLEM TO BE SOLVED: To provide means to deliver herbal extracts to mucosal tissue.SOLUTION: Provided is a slowly dissolvable film comprising a herbal bioactive agent and a polymer. The film is dissolvable in the aggregate, and becomes adhesive as it is placed against a mucosal surface and begins to absorb moisture.【課題】薬草抽出物を粘膜組織へ送達する手段を提供する。【解決手段】薬草生物活性剤、及びポリマーを含み、全体として可溶であり、粘膜表面に対して設置すると、水分を吸収し始め粘着性を持つ、緩やかに可溶するフィルム。【選択図】なし