Where is Sculptra injected?
People ask where Sculptra goes because they want to know what part of the face, or body, is involved before they agree to it. If you are in Mamaroneck, Larchmont or nearby, the direct answer comes first.
The direct answer
The Cleveland Clinic describes the placement this way: "You might get Sculptra injected into areas of your body where you have lines and wrinkles that you want smoothed out."

So the sites follow your concerns. Where you have lines and wrinkles you want smoothed is where treatment is discussed.
Reading more about placement
The American Academy of Dermatology has a page of younger-looking skin information and a fillers overview that help frame what injectables are used for. For research specific to this product, a systematic review of poly-L-lactic acid in facial clinical application is listed in PubMed Central (NIH).
What you can do now
Before you book, decide which lines or areas bother you and write them down. Ask your clinician to point to each planned injection area on your own face, so you know where the product is going before the appointment begins.
What to leave alone
Do not choose the injection areas from a photo you found online. Do not ask a provider to treat an area you cannot name a concern about.
If an area becomes painful, changes color or feels wrong after treatment, call the clinic that treated you. That call does not need to wait for your follow-up visit.
The question that comes next
The follow-up most readers have is how Sculptra differs from Radiesse and from standard fillers. Bring that question to your consultation with both product names written down.