Are they different from blackheads and whiteheads? Acne shows up in all different forms ranging from painful cystic bumps to tiny pustules filled with gunk, and each has its own treatment approach. A ...

Your skin produces sebum, which can be waxy or oily. Sebum production can contribute to acne, but it also moisturizes and offers protection for your skin. Sebum is an oily, waxy substance produced by ...