Only dermis is vascularized. Nutrients reach epidermis by diffusing through the tissue from the blood vessels. Underneath dermis is hypodermis (superficial fascia), also called subcutaneous tissue which is composed of loose connective tissue (mostly areolar and adipose).
A collagen dressing is a type of wound dressing that is made with a form of collagen to aid in the body's healing processes. Collagen is a category of structural proteins that are naturally present in almost every part of the human body and are especially common in connective tissue.
BioCell Collagen is the only hydrolyzed collagen that provides collagen and also substantial amounts of glycosaminoglycans (GAGs) such as hyaluronic acid (HA) and chondroitin sulfate, all in remarkably bioavailable forms.o. no. 1  Type II collagen is a predominant type of collagen in the human articular cartilage. 2  The collagen content of eggshell membrane is much smaller than BioCell Collagen and its collagen is type I. 3  GAGs such as HA and chondroitin sulfate are essential for joint health and the skin beauty.