Surgical versus nonsurgical cosmetic procedures.

Cutis. 2008 Oct; 82(4): 285-90Gerstner G, Matarasso AThere has been an increase in nonsurgical interventions for facial rejuvenation since 2001, which can be attributed to an increase in the use of injectable fillers, volumizers, and biostimulators for soft tissue augmentation. The efficacy and duration of these products depend on their mode of operation, site of injection, and composition. Semipermanent devices offer a compromise between short-term and long-term results.