Prospective Randomized Comparison of OnabotulinumtoxinA (Botox) and AbobotulinumtoxinA (Dysport) in the Treatment of Forehead, Glabellar, and Periorbital Wrinkles

Abstract

At the current pricing of the agents, BoNT-ABO offers a significant cost savings over BoNT-ONA, with a comparable efficacy. The effect of both drugs appears to be more prolonged than indicated in the current manufacturer guidelines.