What Is an Epidermoid Cyst (Sebaceous Cyst)? If you have a bump on your skin that’s not painful, it may be a skin cyst. There are two kinds of skin cysts: epidermoid and sebaceous cysts. Sometimes ...

It’s easy to panic when you notice a lump on your skin. You may wonder if it’s melanoma or another type of skin cancer. But sebaceous cysts — slow-growing bumps under the skin that can appear on the ...

Skin cysts, or sebaceous cysts, are slightly hardened, fluid-filled bumps under the skin. When a person feels them, they are moveable. They often affect the face, neck, and torso. The term “sebaceous ...

A swollen eyelid is usually a symptom, not a condition. It's very common and is usually due to allergy, inflammation, infection, or injury. The skin of your eyelid is less than 1 millimeter thick. But ...