PROBLEM TO BE SOLVED: To provide a hair-dyeing agent having an excellent hair dyeing effect and white hair-concealing effect, and also having a long-lasting property and less allergic property.SOLUTION: This hair-dyeing agent composition of two-pot type consists of a first agent and a second agent, wherein the first agent contains (i) one or more compounds selected from the group consisting of gallic acid and its derivatives and/or (ii) one or more compounds selected from the group consisting of salicylic acid and its derivatives, and the second agent contains an iron salt, and also at least one of the first and second agents comprises urea.COPYRIGHT: (C)2013,JPO&INPIT【課題】優れた染毛効果及び白髪かくし効果をもち、かつ持続性が高く、アレルギー性の少ない染毛剤を提供すること。【解決手段】第1剤及び第2剤からなる二剤式染毛剤組成物であって、第1剤が、(i)没食子酸及びその誘導体からなる群から選ばれる1以上、及び/又は、(ii)サリチル酸及びその誘導体からなる群より選ばれる1以上を含んでなり、第2剤が、鉄塩を含んでなり、かつ、第1剤及び第2剤のうち少なくとも一方が、尿素を含んでいる組成物。【選択図】なし
