Volume 10 - Issue 12 - December 2002

I n the search for the perfect filling agent, dermatologists have tapped into a variety of substances throughout the decades in order to achieve natural-appearing, safe and long lasting soft tissue augmentation. Current FDA-approved bioabsorbable and permanent substances (either by cosmetic indication or by off-label use) include Zyderm, Zyplast, Fascian, Cymetra, Alloderm implants, fat transfer, silicone liquid and Gortex implants. FDA-prohibited substances that are widely used around the world and are currently under investigation in the United States include the hyaluronic acid gels su