Men with dark skin need to find the cause of darkening, targeted mediation can be. If it is because of long-term activities in the sun or life, resulting in black skin, mainly because of ultraviolet stimulation of skin pigment cells, so that the pigment cells increase in size and thus triggered by the skin black, the situation only need to reduce outdoor activities, after a period of time the color will gradually return to normal, do not need to choose the topical medication. If the skin is black because of the work of long-term contact with tar, considering the possibility of melanosis, the situation is recommended to choose to use oral glutathione, in the local use of hydroquinone cream to be coated, if necessary, you can also choose to use the q1064 laser to irradiate. If the black part of the skin accompanied by obvious keratinization hyperplasia and itching, considering the possibility of chronic keratosis eczema caused by hyperpigmentation, the case for the choice to use compound lactic acid cream with fluticasone propionate cream, continuous treatment for a period of time the effect is still good.