Poly-l-Lactic Acid for Neck and Chest Rejuvenation.
Dermatol Surg. 2009 May 12; Mazzuco R, Hexsel DBACKGROUND Poly-l-lactic acid (PLLA) has been widely used in the enhancement of facial contours, but its use in nonfacial areas is rarely cited. OBJECTIVES To demonstrate the efficacy and safety of PLLA for neck and chest rejuvenation. METHODS Thirty-six patients with different degrees of cutaneous flaccidity, atrophy, and wrinkles in the neck and chest were treated with PLLA. The technical details and the methods of evaluation (photographic analysis by three independent evaluators in the 21 patients who had alterations visible in the photographs taken before treatment and satisfaction questionnaire at the end of the treatment in all 36 patients) are described in this article. RESULTS In the photographic analysis, improvement was found in 81% to 100% of the 21 cases (p