The well-known effects of Botox include wrinkle reduction, bite muscle reduction, shoulder reduction, leg reduction, and treatment of sweating, but also hair loss. Studies and clinical applications have shown that Botox can treat androgenic alopecia, mainly by inhibiting oil secretion and antagonizing scalp muscles to improve blood flow to the scalp and provide more nutrients to the hair follicles. Botox can improve androgenetic alopecia by relaxing the local scalp, improving the scalp oxygenation and nutrition as well as inhibiting scalp oil secretion and improving the microenvironment of the hair follicles, but for scarring alopecia, the effect of Botox injections is limited. However, for scarring alopecia, the effect of Botox injection is limited. It is more effective if Botox is combined with hormonal drugs such as finasteride.