Blackheads are one of the most common skin concerns affecting both teens and adults. They develop when pores become clogged with excess oil, dead skin cells, and environmental impurities. Cosmetic Skin Clinic in Riyadh(عيادة تجميل البشرة الرياض) When this buildup is exposed to air, it oxidizes and turns black, forming visible dark spots on the skin surface. While they are not harmful, they can...