PROBLEM TO BE SOLVED: To provide an active oxygen radical scavenger that has excellent active oxygen radical scavenging action and is highly safe, and a hair cosmetic that has excellent active oxygen radical scavenging action and is highly safe.SOLUTION: An active oxygen radical scavenger contains at least one of Origanum majorana extract, Actinidia polygama extract, Prunus mume extract, Rubus ellipticus extract, Rhodomyrtus tomentosa fruit extract, and Averrhoa carambola leaf extract, and a hair cosmetic contains the active oxygen radical scavenge.SELECTED DRAWING: None【課題】優れた活性酸素ラジカル除去作用を有し、安全性の高い活性酸素ラジカル除去剤、及び優れた活性酸素ラジカル除去作用を有し、安全性の高い頭髪化粧料の提供。【解決手段】マジョラム抽出物、マタタビ抽出物、ウメ抽出物、ヒマラヤンラズベリー抽出物、テンニンカ果実抽出物、及びスターフルーツ葉抽出物の少なくともいずれかを含有する活性酸素ラジカル除去剤、並びに前記活性酸素ラジカル除去剤を含有する頭髪化粧料である。【選択図】なし