
ST, 6 Types of Acne and What Might Cause Them
Acne blemishes fall into two categories: noninflammatory and inflammatory. Noninflammatory acne includes whiteheads and blackheads. Whiteheads are closed pores clogged with dirt, oil, and dead skin cells, appearing as flesh or white bumps often with a white center and red halo. Blackheads are open, widened pores filled with clogged follicles, appearing as small dark spots…