Acne patients may experience some pigmentation, discolouration and scarring. Other related conditions may include the appearance of marks and red spots that often persist after the healing of the breakout.
Post-inflammatory hyperpigmentation (PIH) are those dark spots or marks that are left behind after your zit or pimple heals. It can vary in color from white to pink, red, or even black, depending on your skin tone.
Acne scars occur as a result of inflammation of your acne. As the acne pores swell and a breakdown occurs in the pore walls, causing shallow or deep scars depending on the size of your blemishes.