PROBLEM TO BE SOLVED: To provide a hair cosmetic having rheological property which can maintain equal dischargeability of a first agent and a second agent by a dual structure container with time.SOLUTION: A first agent and a second agent of a hair cosmetic each independently fill a dual structure container having a specific discharging mechanism, and are discharged separately from each other by a propellants for pressurization. The viscosity ratio V/Vof viscosity Vin 30 rpm using a type B rotational viscometer to a viscosity Vin 12 rpm is each 0.5 or more. The value of the viscosity ratio V/V(f) in the first agent and the viscosity ratio V/V(s) in the second agent are within the range which does not exceed 1.3 times each other.【課題】二重構造容器による第１剤と第２剤の等量吐出性を経時的に維持できるレオロジー特性を備えた毛髪化粧料を提供する。【解決手段】特定の吐出機構を持つ二重構造容器に各々独立に充填され、加圧用の噴射剤により互いに分離して吐出される毛髪化粧料の第１剤及び第２剤であって、Ｂ型回転粘度計を用いた３０rpmでの粘度V３０と１２rpmでの粘度V１２との粘度比V３０/V１２がいずれも０．５以上であり、第１剤における粘度比V３０/V１２(f)と第２剤における粘度比V３０/V１２(s)との値が互いに１．３倍を超えない範囲内である。【選択図】図１
