Sebum is an oily substance that protect and hydrate the skin’s surface. It mixes with fat molecules, called lipids, to form a protective coating on the skin. The sebaceous glands produce sebum. It ...

In a new Instagram video, Dr. Pimple Popper squeezes the contents of a large steatocystoma located on a patient's cheek. During the procedure, she uses a comedone extractor to remove the sebum inside ...