Medically reviewed by Susan Bard, MD Congested skin occurs when there is a buildup of sebum (oil) and dead skin cells, which can clog the pores. It is common on the face but can occur anywhere on the ...

Clogged pores can develop when the sebum cannot reach the surface of the skin and gets stuck. As more sebum builds up behind the clogged pores, whiteheads appear. Other causes include diet ...