Safety and Efficacy Study of Botulinum Toxin for the Treatment of Glabellar Frown Lines

Inclusion Criteria: * Moderate to Very Severe glabellar lines at maximum frown as assessed by the subject and the Investigator and at least Mild glabellar lines at rest Exclusion Criteria: * Any previous treatment with any botulinum toxin * Rhytids of the glabellar region that cannot be smoothed out by manually spreading the skin apart * Any previous insertion of any permanent or semi-permanent material, hyaluronic acid or collagen fillers to the glabellar region * Any history of facial surgery above the lower orbital rim * Any planned facial surgery or aesthetic procedure during the study period * Ablative skin resurfacing or chemical peels above the lower orbital rim in the previous 12 months or during the study period