Persistence of Nasolabial Fold Correction with a Hyaluronic Acid Dermal Filler with Retreatment: Results of an 18-Month Extension Study
Dermatologic Surgery, 02/07/2011
Narins RS et al. – Participants in the 18–month extension of an 18–month small gel–particle hyaluronic acid persistence study continued to demonstrate improvement of nasolabial fold up to 36 months after a second retreatment. Subjects reported no treatment–related adverse events after the second retreatment.