milia cysts are made up of keratin, the protein found in hair. These tiny bumps settle between one and three millimeters beneath the skin's surface. While oil bumps are well-known, milia cysts are ...

Cysts—noncancerous sacs of fluid, air, pus, or a soft substance called keratin—commonly affect the skin. Close contact with a person with a boil raises your chances of developing one ...

Medicare may cover the removal of sebaceous cysts, also known as epidermal, keratin, or epithelial cysts, if a healthcare professional deems the procedure medically necessary. Sebaceous cysts are ...

Interdigital cysts are firm, raised subcutaneous inflammatory ... subcutaneous tissue is due to a foreign-body reaction to the keratin and hair. Kovacs et al. 4 also found dogs housed on elevated ...