As for the 1st dyeing hair medicine composition of this invention, (A) 1 kinds or more which are chosen from p- phenylenediamine, toluene -2,5- diamine, and the group which consists of these salts and, containing with (B)- naphthol and (C) resorcinol, the dyeing hair medicine composition which becomes (however as for p- amino phenol it is not included.)So being, when the description above (A) - (C) the component, 100 weight % with doing the dye component entire quantity in the aforementioned dyeing hair medicine composition, at total 60 - 100 weight % at the quantity, at the same time, (B) the component 0.1 - 1 weight sections, (C) the component we designate that it contains at the quantity inside the range of 0.45 - 1.5 weight sections as feature (A) vis-a-vis the component 1 weight section, The 2nd dyeing hair medicine composition of this invention (D) containing p- amino phenol the description above (A) - (C) in addition to the component, being the dyeing hair medicine composition which becomes, the description above (A) - (D) the component, has featured that it contains at place fixed quantity and specified weight ratio. According to this invention, fading being loose, the dyeing hair where the color having is good is possible, furthermore the case where it fades you can obtain the dyeing hair medicine composition where hue of the hair almost does not change.本発明の第1の染毛剤組成物は、(A)p-フェニレンジアミン、トルエン-2,5-ジアミン、およびこれらの塩よりなる群から選ばれる1種以上と、(B)α-ナフトールと、(C)レゾルシンとを含有してなる染毛剤組成物(ただしp-アミノフェノールは含まない。)であって、前記(A)~(C)成分を、前記染毛剤組成物中の染料成分全量を100重量%としたときに合計で60~100重量%の量で、かつ、(A)成分1重量部に対して、(B)成分を0.1~1重量部、(C)成分を0.45~1.5重量部の範囲内の量で含有していることを特徴としており、本発明の第2の染毛剤組成物は、前記(A)~(C)成分に加えて(D)p-アミノフェノールを含有してなる染毛剤組成物であって、前記(A)~(D)成分を、所定量かつ所定の重量比で含有していることを特徴としている。本発明によれば、退色が緩やかで色持ちの良い染毛が可能であり、さらに退色した際も毛髪の色相がほとんど変わらない染毛剤組成物が得られる。
