Many people often call any small, painless lump under the skin sebaceous cysts. But those are most often epidermoid cysts. Sebaceous cysts are much less common. Sebaceous cysts are filled with sebum, a fatty, white material. They are similar to epidermoid and pilar cysts, but different in origin. How to Prevent Cyst on Face and Sebaceous Cysts. Here are some tips that can help prevent occurrence of facial sebaceous cysts: Maintain a healthy and nutritious diet. What is a sebaceous cyst? Find out removal and treatment options, symptoms, causes and related information on this condition. How Are Sebaceous Cysts Diagnosed ? Sebaceous cysts, to the trained eye, are usually easily diagnosed by their appearance. In some cases, a biopsy may be necessary to. A sebaceous cyst / s ɪ ˈ b eɪ ʃ ə s s ɪ s t / is a general term that is used to refer to either: Epidermoid cysts (also termed epidermal cysts, infundibular. Find WebMD's comprehensive coverage of sebaceous cysts, including medical reference, news, pictures, videos, and more. Sebaceous or Epidermal cyst is a kind of cyst formation on the scalp that occurs due to the enlargement of the hair follicles or the blockage of the passage of the. Discover causes of sebaceous cyst including acne and basal cell nevus. View photos and learn about treatments and prevention. This article details the unfortunate experience I had of a sebaceous cyst on my back becoming infected while I was travelling through Europe on vacation.