When a traditional dermal filler like JUVÉDERM or Restylane is injected into the skin, the product works by binding to water molecules. This plumps lines and creases up to the surface, virtually eliminating wrinkles. These fillers can also increase tissue volume in areas like the lips and cheeks to restore the youthful angles and definition of these features. When the poly-L-lactic acid gel is injected into the deeper layers of the skin, it induces collagen production. Some degree of volume increase can be seen right away after Sculptra treatment. However, this injectable is made to work more subtly and gradually over time through natural collagen proliferation. To achieve optimal results from Sculptra, you need a few appointments scheduled over several weeks. These results can last two years or longer. Also, where hyaluronic acid dermal fillers are reversible, Sculptra is not.