Sculptra Aesthetics is an FDA-approved injectable that gradually replaces lost collagen, an underlying cause of facial aging. It is used to correct shallow to deep facial wrinkles and folds. It is also used in the neck, decolette, elbows, knees and buttocks. Sculptra Aesthetics works by stimulating collagen growth which helps restore volume and fullness. Results appear gradually over a treatment regimen of 3 monthly injections and commonly last more than 2 years.