Facial steaming alone may not reduce dark spots. However, it may improve blood circulation, leading to more oxygen and nutrients being delivered to cells, and enhancement of skin health. Additionally, it may open pores, making the skin more responsive to treatments against dark spots.Facial steaming alone may not reduce dark spots. However, it may improve blood circulation, leading to more oxygen and nutrients being delivered to cells, and enhancement of skin health. Additionally, it may open pores, making the skin more responsive to treatments against dark spots.