I really need major help.I'm kinda embarrassed to say but my lips are two toned.The out side is black and the inside where you see pink is basically the same

,and I don't smoke because I'm too young and it not good for you,don't drink coffee and tea,but I know my mother said that I got that trait for my father and hes not telling me how to clear it up because my lips used to be a pretty brown color.So please help me tell me what I need to do,and what happens if the things you told me to do don't work.I use to wear lipstick too but all of this happened before I started wearing lipstick.