PROBLEM TO BE SOLVED: To provide a hair deodorant which has very superior deodorizability against an unpleasant odor (for example, an unpleasant odor derived from a sulfur-containing compound and the like) and moreover, does not change the properties of a permanent wave agent or the like even if incorporated into the permanent wave agent or the like, and furthermore comprises a hair deodorant beforehand and as the result, does not cause an unpleasant odor during treatment operation and after treatment operation to maintain a deodorizing effect for a long time, and moreover does not damage the waving force or the like.SOLUTION: The hair treating agent and the hair deodorant include a cationic group and an anionic group and a straight-chain polymer having a molecular weight of 5×106 or more.COPYRIGHT: (C)2012,JPO&INPIT【課題】 不快臭(例えば、含イオウ化合物由来の不快臭等)に対し極めて優れた消・脱臭能を有し、しかもパーマ剤等に配合してもパーマ剤等を変質させない毛髪用消臭剤を提供することを、目的とする。更に、毛髪用消臭剤が予め配合されており、その結果、施術作業中及び施術後において不快臭がせず且つ消臭効果が長時間、持続し、しかもウェーブ力等が損なわれないパーマ剤等を提供することを、目的とする。【解決手段】 陽イオン性基及び陰イオン性基を有し、分子量5×106以上の直鎖状高分子を含有することを特徴とする、毛髪処理剤及び毛髪用消臭剤。【選択図】なし