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.
Collagen composes up to 80 percent of the skin. Its role is to maintain the skin's integrity, but collagen breaks down with advancing age. The breakdown of collagen during the aging process can lead to wrinkles, lines and folds. Collagen injections replenish the skin's natural collagen.Several types of Collagen fillers are on the market. For example, collagen fillers containing human collagen include CosmoDerm and Cosmoplast.he breakdown of collagen during the aging process can lead to wrinkles, lines and folds. Collagen injections replenish the skin's natural collagen. Several types of Collagen fillers are on the market. For example, collagen fillers containing human collagen include CosmoDerm and Cosmoplast.