PROBLEM TO BE SOLVED: To provide a hair cosmetic generating agent of a non-aerosol type, capable of easily providing a foam hair cosmetic having a viscosity such that it can suppress the drip of the cosmetic during use.SOLUTION: The hair cosmetic generating agent for generating a foam hair cosmetic by self-foaming of a plurality of agents by mixing thereof includes: a first agent containing at least a carbonate and a second agent containing an acid capable of decomposing all of the carbonate. At least one of the plurality of agents contains a thickener which makes the viscosity of the hair cosmetic in the range of 1,500 to 83,000 mPa s.COPYRIGHT: (C)2012,JPO&INPIT【課題】ノンエアゾール型であって、使用時のたれ落ちを抑制可能な粘度を有する泡状の毛髪用化粧料を、手軽に得ることが可能な毛髪用化粧料生成剤を提供する。【解決手段】複数の剤の混合により自己発泡して、泡状の毛髪用化粧料を生成するための毛髪用化粧料生成剤は、少なくとも炭酸塩を含有する第1の剤と、炭酸塩の全量を分解可能な酸を含有する第2の剤とを含み、複数の剤のうちの少なくともいずれか1つの剤には、毛髪用化粧料の粘度を1500mPa・s~83000mPa・sの範囲内とする増粘剤が含まれる。【選択図】図5