PROBLEM TO BE SOLVED: To provide a novel composition that prevents or treats atopic dermatitis or the like.SOLUTION: A composition such as a medicament comprises dihomo-γ-linolenic acid (DGLA) and has dermatitis preventive or therapeutic effects.COPYRIGHT: (C)2014,JPO&INPIT【課題】アトピー性皮膚炎などを予防又は治療するための、新規な組成物の提供。【解決手段】ジホモ-γ-リノレン酸(DGLA)を含んで成り、皮膚疾患に対して予防又は治療効果を有する医薬などの組成物。【選択図】なし