Combined Approach to Nasolabial Fold Rejuvenation: Hyaluronic Acid Fillers and DAO Botulinum Toxin Injection
(1) Background: The nasolabial fold is a key determinant of midfacial aging, influenced by both static volume loss and dynamic muscular activity. Botulinum toxin type A (BoNT-A) and hyaluronic acid (HA) fillers are widely used in aesthetic medicine, but limited evidence exists regarding the sequential use of these trea...