Marcia Frellick April 26, 2023 The US Food and Drug Administration (FDA) has approved injectable poly-L-lactic acid (PLLA-SCA) for the correction of fine lines and wrinkles in the cheek, the manufacturer announced today. The treatment, marketed as Sculptra, is the first FDA-approved PLLA collagen stimulator that, “when injected into the cheek area, helps stimulate natural collagen production...