Sculptra helps stimulate the skin’s own collagen production. It works gradually to help restore the skin’s inner structures for a more youthful-looking appearance. On average a series of three treatment sessions over the course of a few months may be needed. The number of injections needed will vary depending on the degree of correction needed. Typically an individual in their 40s will need 3 to 4 vials and an individual in their 50’s to 60’s could expect to need 4 or more vials.