Non???Animal-Based Hyaluronic Acid Fillers: Scientific and Technical Considerations

Background: Recent advances in the technology and biocompatibility of the hyaluronans in all skin types mean that they are becoming the temporary facial filling agents of choice for many aesthetic physicians and surgeons. Methods: The hyaluronan products that have been approved for clinical usage by the U.S. Food and Drug Administration and Health Canada were reviewed with respect to their composition, clinical effects and safety profiles, and...