Subcutis/Subcutaneous layer: This is the deepest layer of skin which contains fat and connective tissue.
It contains a network of tough, elastic collagen fibers that make the skin strong and stretchy, as well as nerves and blood vessels that allow the passage of nutrients and oxygen. Dermis: This is the middle layer of the skin.It contains specialized cells responsible for pigmentation of the skin (melanocytes), protecting the skin (Langerhans cells), and allowing the skin to feel pressure (Merkel cells). Epidermis: This is the outermost layer of the skin visible to the eye.See this image here for a visual representation of the layers of the skin. The skin is the largest and often heaviest organ of the body and has multiple components. Many of the causes of butt bumps are dermatologic in nature and affect aspects of the skin including hair follicles.