Cysts are highly common and form for a wide variety of reasons, usually due to a blockage that develops when a pore or follicle becomes clogged with dead skin or sebum. (WebMD has a helpful guide to ...

It's hard to please everyone. Dermatologist Sandra Lee, MD, aka Dr. Pimple Popper , comes very close with her popular pops. Her videos get rave reviews from fans of all ages around the world. Pimple ...