In a double-blind, randomized comparison of Botox®/Vistabel® vs Dysport®/Azzalure® for the treatment of glabellar lines Botox®/Vistabel® offered more prolonged efficacy than Dysport®/Azzalure® at the dose ratio of 2.5:1,
Botox®/Vistabel® offered higher satisfaction than Dysport®/Azzalure® at the dose ratio of 2.5:1 at 12 weeks.
Read more:
Lowe P, Patnaik R, Lowe N, J Am Acad Dermatol 2006.
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