i am dusky but due to frequent stay under sun i have turn dark!my face neck and hand has turned dark.

i have oily skin, and m dusky. m 19 years and due to frequently moving out for classes, i have tured dark my face has dark patches with whiteheads in nose itz not curing after scubbin n tonnin.
my arms has turned dark my body color and my exposing skin doesnt match with each other…