As mentioned above, collagen depletion can create a hollow, sunken appearance where volume once created youthful facial contours. Dermal fillers are a group of hyaluronic acid and synthetic based fillers that are used to soften and diminish wrinkles and deep creases on the face. While hyaluronic acid is something found naturally in the body, the filler itself did not come from the body of the patient. Rather than using a dermal filler, one can use fat to help restore facial volume. Fat is harvested from a place of adipose tissue abundance like the abdomen or flanks, cleansed and purified, and then artfully injected into specifics areas of the face to regain youthful fullness and beautiful contours.