Two Distinct regions of the integumentary system: epidermis & dermis. Underneath dermis is hypodermis (superficial fascia), also called subcutaneous tissue which is composed of loose connective tissue (mostly areolar and adipose).
A collagen facial is a treatment designed to restore the depleted collage in your face and rejuvenate your skin. Ultimately, a collagen facial will slow down the aging process by replenishing your body's natural proteins through external applications.
1 One type of collagen, which is derived from purified bovine (cow) collagen, is injected beneath the skin to replace the body's natural collagen that has been lost. 2  Injectable collagen is generally used to treat wrinkles, scars, and facial lines.