An epidermoid cyst (sebaceous cyst) can be round or dome-like in shape. There may be a dark dot in the center of the cyst, which will appear pink, red, or darker than your natural skin tone.

Sebaceous cysts can range from a half-inch to almost two inches in length and present as a firm, defined or warty-textured lump. They may become crusty and ooze or bleed if bumped, then scab over.

An ingrown hair cyst is usually painless and may feel hard or soft. If it becomes infected, it may become painful or tender. Different types of cysts exist, and their symptoms vary.

Usually sebaceous cysts aren¿t harmful, but occasionally they can become infected ( which makes them sore ). They can also look unsightly, and when they are on the scalp, they can catch in your ...