| | Conditions & Treatments | Ulcers Is keratin found in the dermis? Keratin is not found in the dermis. It is found in the epidermis, the outermost layer of the skin. Keratin is a type of protein that helps to protect the skin from damage. Ulcers - Related Articles Restrictions of an Ulcer Diet Methotrexate for Ulcerative Colitis Treatment Can you get SSDI with Avascular Necrosis? Doxycycline and Urinary Tract Infections How to Test for the H. Pylori Antibody Diet for Ulcers in the Stomach What Are the Treatments for a NSAID Induced Ulcer?