Dermal fillers are injected into your skin to fill lines and restore lost volume, enhancing your facial contours and lips for natural looking results. They’re injected into the deeper layers of skin at the site of sunken areas, creases, or scars to smooth and fill out the area for a firmer, more youthful appearance. Most collagen fillers are made from Non-Animal Stabilized Hyaluronic Acid (NASHA) gel. Hyaluronic acid is found naturally in your skin and other tissues and degrades over time.