Unlike whiteheads that create a pustule on top of the pore, trapping oil and sebum inside, blackheads are pores that remain open. This means the oil, dirt and bacteria is exposed to oxygen.

Medically reviewed by Susan Bard, MDThere are a few reasons why it may take time to heal a big pimple. It's normal for some ...

Blackheads are frustrating skin issues. Many over-the-counter products exist, but effective home remedies can also help achieve clear, radiant skin. Homemade blackhead scrub is easy to make ...