Evaluation of the safety and efficacy of a biosimilar abobotulinum toxin type A in treating moderate‐to‐severe glabellar lines: A non‐inferiority double blinded randomized controlled trial

Injection of botulinum toxin for cosmetic purposes is a well-established practice.This study was conducted to compare the safety and efficacy of DystonOut of 193 screened subjects, 126 volunteers with moderate-to-severe glabellar lines fulfilling eligibility criteria were randomized in a 1:1 ratio to receive either an intramuscular injection of 40-60 units of DystonResponse rates at maximum frown were 75.44% (43/57) in the DystonTreatment of moderate-to-severe glabellar lines with Dyston