Peace Be Upon U Sir My Name Is Wazuha And

peace be upon u sir my name is wazuha and i am 19 year old when i was 17 my skin colour was very fair but now it is becoming dark and dark without suntan i dint know what is the reason i use different creams but they didnt help me instead of that they r harming my face and body as i have very sensitive and dry skin now i affarid to use any type of cream plz tell the best solution for it i will be highly thank full to u