Acne is a problem for anyone who has it, but in darker skinned individuals pigmentation (darker spots) is a real issue. This is called post-inflammatory hyperpigmentation (PIH). Physicians treating this condition need to be careful with products used as to not cause more inflammation and skin irritation
Even before the acne is visible, medication applied may reduce the inflammation and therefore reduce pigmentaion. There are specific medications that are less likely to irritate than the commonly used retinol based creams.
A prescription containing hydroquinone may be given for a short time followed by a hydroquinone free product. At all times sun protection must be used.
So don’t give up! For a clearer complexion make sure you visit a qualified doctor experienced in this area.