Causes and Risk Factors You may develop a sebaceous cyst when the oil glands around your hair follicles become blocked.

The YouTube video from Thursday featured the dermatologist Dr. Pimple Popper, whose real name is Dr. Sandra Lee, squeezing eruptive vellus hair cysts, a rare skin condition that causes 1- to 4 ...

Interdigital cysts are firm, raised subcutaneous inflammatory lesions found in and on the interdigital webs of the paw. The cause is usually a traumatically ruptured hair follicle. The surrounding ...

Pilar cysts are slow-growing bumps that sprout from hair follicles, usually on the scalp, filled with fluid or pus. While cysts are usually harmless, they can cause discomfort and tenderness.