Hyaluronic Acid Fillers (IMAGE) Wolters Kluwer Health Caption The day-42 strain map for the representative older subject shows less stretch after treatment. Credit Plastic and Reconstructive Surgery Usage Restrictions Image may only be used with appropriate credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.