Study to Demonstrate Safety and Duration of Effect of 40 Units of PrabotulinumtoxinA-xvfs to Treat Glabellar Lines

Inclusion Criteria: * Outpatient, male or female of any race, 18 years of age or older. * Female subjects of childbearing potential must have a negative urine pregnancy test during Visits 1 (Screening) and Visit 2 (if applicable) and practice a reliable method of contraception for the duration of the study. * Moderate to severe glabellar lines (i.e., score of 2 or 3) on maximum frown as assessed by the investigator using the Glabellar Line Scale (GLS). * Subject has moderate to severe glabellar lines (i.e., score of 2 or 3) at maximum frown as assessed by the subject using the GLS. * Able to follow study instructions and likely to complete all required visits. * Sign the Institutional Review Board (IRB) -approved Informed Consent Form (ICF) prior to any study-related procedures being performed. Exclusion Criteria: * Female subjects who are pregnant, breast-feeding, or of childbearing potential and not practicing reliable birth control. * Known hypersensitivity or previous allergic reaction to any constituent of the Investigational Product (IP) or control. * Any active infection in the area of the injection sites. * Inability to substantially lessen glabellar frown lines even by physically spreading them apart. * Marked facial asymmetry (Investigator discretion). * Ptosis of eyelid and/or eyebrow, or history of eyelid and/or eyebrow ptosis. * History of facial nerve palsy. * Excessive dermatochalasis, deep dermal scarring, thick sebaceous skin (Investigator discretion). * M…