How can i make my skin go back to normal?

im a 17 year old black male and im pretty confident about my looks onl think is for the pass 5 years my skin has been affected by the sun, truth be told my chest and feet are a carmel color and my face is a dark chocolate lol... its really awkward when i take my shirt off in gym and people tare at me as if i have a different body on me, i just want to even out my skin and make my face brighter please help!