PROBLEM TO BE SOLVED: To provide a hyaluronic acid production promoter being usable for skin-aging prevention or therapy of a disease associated with abnormal decomposition of hyaluronic acid, and also safe due to less effect on the human body.SOLUTION: A hyaluronic acid production promoter has 4-hydroxy-3,5,5-trimethyl-2-cyclohexenone (compound (1)) and/or 4-hydroxy-2,6,6-trimethylcyclohexene-1-carbaldehyde (compound (2)) as active ingredients. A perfumery contains 0.0001 to 10 mass% of the compounds (1) and/or (2). The compounds (1) and (2) are each preferably an optically active substance ((S) single unit or (R) single unit).COPYRIGHT: (C)2015,JPO&INPIT【課題】皮膚の老化防止あるいはヒアルロン酸の異常分解を伴う疾病の治療に使用でき、しかも人体に対する影響の少ない、安全なヒアルロン酸産生促進剤の提供。【解決手段】4-ヒドロキシ-3,5,5-トリメチル-2-シクロヘキセノン(化合物(1))及び/又は4-ヒドロキシ-2,6,6-トリメチルシクロヘキセン-1-カルバルデヒド(化合物(2))を有効成分とするヒアルロン酸産生促進剤。前記化合物(1)及び/又は(2)を0.0001~10質量%含有する香粧品。前記化合物(1)及び(2)はそれぞれ光学活性体((S)-体又は(R)-体)であることが好ましい。【選択図】なし
