Doctors use Sculptra 2 vials to correct the signs of facial fat loss or lipoatrophy. It is an injection that shows the fantastic result and is noticeable immediately. It also restores the natural functions of the body because of collagen. What is collagen is? It is a type of fat that can be lost over time resulting in saggy skin lacking firmness. So Sculptra creates the opposite effect and reverses loss by restoring it.