PROBLEM TO BE SOLVED: To provide a production method for a hair growth agent purified with a liquid ingredient which can be uniformly purified even if a viscous component is added and which can effectively grow hair and a hair growth agent for hair produced by the production method.SOLUTION: A method for producing a hair tonic comprises: mixing I-menthol and hinokitiol with modified alcohol and stirring and dissolving to purify menthol solution mixing hair restoration components in the modified alcohol and stirring to purify the hair growth component solution mixing the menthol solution and the hair growth component solution and further adding and mixing a perfume and rosemary oil thereafter mixing methylparaben and bentonite by stirring in purified water and adding a pre-purified preserved bentonite solution thereto, followed by uniform stirring thereafter, adding Japanese cypress chips to water and adding and stirring cypress water purified by distillation adding and stirring a blood flow promoter and finally adding and stirring a thickener solution so as to purify homogeneously. Also provided is the hair tonic for hair produced by said production method.COPYRIGHT: (C)2018,JPO&INPIT【課題】液体成分で精製される育毛剤で、粘性成分を加えても均一に精製して効果的に毛髪を育毛することができる毛髪用育毛剤の製造方法を提供し、その製造方法によって製造した毛髪用育毛剤を提供すること【解決手段】変性アルコールに、l-メントールとヒノキチオールとを混合して撹拌溶解してメントール溶液を精製し、育毛成分剤を変性アルコールに混入撹拌して育毛成分溶液を精製し、前記メントール溶液と前記育毛成分溶液とを混合してさらに香料とローズマリー油とを加えて混合し、その後精製水にメチルパラベンとベントナイトとを撹拌混合して予め精製した防腐剤入りベントナイト溶液を加えて均一に撹拌し、さらにその後檜のチップを水にいれて蒸留精製したヒノキ水を加えて撹拌し、さらにまた血流促進剤を加えて撹拌し、最後に増粘剤溶液を加えて撹拌し均一に精製する頭髪用育毛剤の製造方法、及びこの製造方法で製造する頭髪用育毛剤。