I am naturally a white skin tone man from my birth .now I am 19+.And I realize now, and every day I can realize gradually going to black skin. It's very painful ,that I lost my skin tone .And I do nothing to back my skin tone. I care myself. I visit in the sun very little ,if I need, neither not. And I have no enough time to go the parlor. And spend more time for my skin .I visit many doctors but they do nothing .So please tail me what I do .Plz give me suggestions .And who to back my skin tone.