Sculptra is made of synthetic poly-l-lactic acid. PLLA has been used for many years in dissolvable stitches and medical implants. It is biocompatible, which means it will not harm your body.
About DermFx: DermFx is the largest laser clinic in California. DermFX has 26 in house lasers for every possible skin condition. DermFx is also the #1 injector of both BOTOX and JUVEDERM, as well as Restylane, Radiesse and Sculptra. http://youtu.be/qMxKV8FBfhY