Sculptra for Sunken Cheeks For those seeking to restore volume and fullness to sunken cheeks, Sculptra injections offer a potentially effective solution. This long-lasting dermal filler works by stimulating collagen production, gradually plumping the cheek area over several treatments. What is Sculptra? Sculptra is a biocompatible, injectable gel made from poly-L-lactic acid (PLLA). PLLA is