This document discusses non-invasive facial rejuvenation treatments using botulinum toxin type A (BoNT-A), commonly known as Botox. It provides information on the aging process, various facial rejuvenation treatments, the mechanism and effects of BoNT-A, common treatment areas, and recommended dosing. Adverse events are usually mild and temporary. BoNT-A blocks muscle contraction, improving wrinkles and other signs of aging for 3-4 months. It is the most popular cosmetic procedure due to its minimal downtime and visible results.