A hair cosmetic product comprises a two agent type hair cosmetic having a first agent with an alkali agent and a second agent having hydrogen peroxide; and a foamer vessel discharging a mixed liquid having the agents in the form of foam. At least one of the agents contains a surfactant. The agents are mixed immediately prior to use. The mixed liquid comprises a surfactant at 0.1-10 wt.%. The viscosity of the mixed liquid at 25[deg]C is 1-300 MPa.s.