MT10109L in the Treatment of Glabellar Lines (GL) With or Without Concurrent Treatment of Lateral Canthal Lines (LCL)

Inclusion Criteria • Female participants must not be pregnant or planning to get pregnant and willing to minimize the risk of inducing pregnancy for the duration of the clinical study and follow-up period. Exclusion Criteria * Known immunization or hypersensitivity to any botulinum toxin serotype. * Any medical condition that may put the participant at increased risk with exposure to MT10109L including diagnosed myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis, or any other condition that might interfere with neuromuscular function. * History of facial nerve palsy. * Any uncontrolled systemic disease. * Anticipated need for treatment with botulinum toxin of any serotype for any reason during the study (other than study intervention). * Anticipated need for surgery or overnight hospitalization during the study. * Prior exposure to botulinum toxin of any serotype for any reason. * Prior periorbital surgery, facial lift (full face or mid-face), thread lift, brow lift, or related procedures (eg, eyelid \[blepharoplasty\] and/or eyebrow surgery). * Prior facial treatment with permanent soft tissue fillers, synthetic implantation (eg, Gore-Tex®), and/or autologous fat transplantation. * Current enrollment in an investigational drug or device study or participation in such a study within 30 days of entry into this study. * Females who are pregnant, nursing, or planning a pregnancy during the study. * Participants who plan for an extended absence away from …