That stubborn blackhead may actually be a sebaceous filament. Fact checked by Isaac Winter Medically reviewed by Hadley King, ...

Medicare covers sebaceous cyst removal when medically necessary. This includes cases where the cyst causes bleeding or pain, shows signs of inflammation or infection, or has recently gotten larger.

In this video, Dr. Dustin, a board certified dermatologist, explains the difference between sebaceous filaments and blackheads. He discusses their formation, how to distinguish them, and suggests ...