Hyaluronic filler substances are the safest, most natural way to add volume and rejuvenate the face. These products can be used to improve smile lines, lines around the mouth, marionette lines, as well as enhance the lips. A few simple injections can immediately improve unwanted facial creases. It also erases under eye circles or hollows, giving you a fresher more youthful appearance. This natural skin substance requires no allergy testing and can last from 4-12 months. Frequently Asked Questions Q: I've used collagen in the past, what makes this better? A: Restylane is a substance already found in your skin and gives much longer results than collagen injections. Q: What can I expect after treatment? A: Some patients experience mild pinkness and occasional pinpoint bruising. Swelling is minimal and can be reduced with ice compresses after treatment.