PROBLEM TO BE SOLVED: To provide a filaggrin production promoting agent effective for preventing skin diseases caused by ultraviolet rays and improving the skin condition by enhancing ultraviolet resistance of the skin through promotion of production of urocanic acid by filaggrin production in epidermal keratinocytes.SOLUTION: The present invention relates to medical products, quasi-drugs, cosmetics, foods and drinks intended for ultraviolet protection, including filaggrin production promoter, characterized by containing an extract of canna. The extract of canna according to the present invention exhibits excellent filaggrin production promoting effect.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】表皮ケラチノサイトにおけるフィラグリン産生によるウロカニン酸の生成促進を介し、皮膚の紫外線抵抗性を増強して、紫外線に起因する皮膚疾患の予防や皮膚状態の改善に有効なフィラグリン産生促進剤を提供する。【解決手段】カンナの抽出物を含有することを特徴とするフィラグリン産生促進剤を含む紫外線防御を目的とした医薬品、医薬部外品、化粧品及び飲食品。本発明のカンナの抽出物は、優れたフィラグリン産生促進効果を示した。【選択図】なし