What's the difference between the different Brands of Botox? (Botox, Dysport, Xeomin, Jeuveau) Is one better than the other?

A common question is: What is the best brand of Botox? Does one last longer? Work faster? For more concise and factual answers to common aesthetic questions: Subscribe to Dr Yew's YouTube channel: https://www.youtube.com/@AestheticsHawaii/videos