Poly-L-lactic acid (PLLA) was approved for use in Europe in 1999. In the United States, it was approved by the Food and Drug Administration in 2004 for the treatment of facial lipoatrophy associated with human immunodeficiency virus, and in 2009 for cosm
At the 12-month follow-up, there was a statistically significant increase of skin elasticity and hydration in PLLA-treated subjects and a decrease in transepidermal water loss in both groups. Pigmentation, erythema, and pore size were significantly decre
