My skin is gradually darker day by day. Each skin cell is dried and getting darker. Also my face is tanning and it looks oily at the end of the day even it is not to the exposure of sun. My face is also having dark spots all around and it won't removed by any medicine and skin caring products. There are also pimples which are unusual in my face and these are swollen but doesn't cleared. Wrist of my hands,foot are the other darker parts which are none of moisture. Please help me to find the best solution that I can get out of it