J Cosmet Dermatol
August 2025
Background: The combined efficacy and durability of botulinum toxin A (BTX) and hyaluronic acid fillers (HA) for canthal wrinkles have not been thoroughly evaluated in randomized clinical trials.
Aims: This study evaluated the efficacy, safety, and durability of the combined treatment protocol of onabotulinumtoxinA and Juvederm Volite VYC-12 (Skinvive) for moderate and severe canthal lines.
Methods: This randomized double-blinded split-face trial included 25 women with periorbital dynamic wrinkles at severity levels II-IV according to the Merz 5-point scale.
J Cosmet Dermatol
July 2025
Background: Botulinum toxin A (BoNT-A) is the most used procedure to treat glabellar lines; however, limited data exist about the effectiveness of ready-to-use BoNT-A (RTUaboBoNT-A) for this indication.
Aims: This study compared the efficacy, durability, and safety of RTUaboBoNT-A for moderate and severe glabellar wrinkles.
Methods: This randomized triple-blinded trial included 38 male volunteers aged between 25 and 50 years.