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.
Class: Soft tissue fillers. Collagen's cosmetic uses: Collagen injections are commonly used for lip augmentation. They can also be used to treat crow's feet, wrinkles and laugh lines, and to add volume to sunken areas of the face.Some facial plastic surgeons are using collagen fillers for liquid nose jobs.lass: Soft tissue fillers. Collagen's cosmetic uses: Collagen injections are commonly used for lip augmentation. They can also be used to treat crow's feet, wrinkles and laugh lines, and to add volume to sunken areas of the face.