Hair growing device

The embodiment of the utility model discloses a hair growing device which comprises a hair growing comb body used for smearing hair growing liquid on scalp, a liquid storage bottle used for containing the hair growing liquid is arranged at the bottom of the hair growing comb body, and a protection assembly used for protecting the local structure of the hair growing comb body is arranged on the hair growing comb body. The protective shell is moved backwards in the axial direction of the comb teeth to the maximum extent through force, the comb teeth can be exposed, hair growth liquid can be conveniently smeared on the scalp subsequently, the protective shell is moved forwards in the axial direction of the comb teeth again to the maximum extent through force, the comb teeth can be shielded through the protective shell and the baffle, and then the protective effect on the comb teeth can be achieved; therefore, when the hair growing comb body is carried, through the protection assembly, the phenomenon that the com