Use of a hyaluronic acid soft-tissue filler to correct congenital and post-traumatic lip asymmetry The use of hyaluronic acid soft-tissue fillers for enhancement of lip features is a popular and minimally invasive office-based procedure used worldwide due to its relative simplicity and favorable safety profile. Read More admin707 December 14, 2018 Soft Tissue Filler Hyaluronic Acid, Lips