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 ...