These are injectable substances used in plastic surgery to augment the volume of specific facial characteristics (e.g. lips, zygomas, or lower lid depressions) and to alleviate static (permanent) wrinkles. The most well-known filler nowadays is injectable hyaluronic acid. It is safe, inert, non-allergic and produces a temporary result which lasts for 9-12 months. Alternatively, I treat cosmetic patients with injectable poly-L-lactic acid (Sculptra) or hydroxyapatite (Radiesse) according to their individualized needs.