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Update on botulinum neurotoxin use in aesthetic dermatology.

Botulinum toxins are among the most widely studied and versatile drugs in the medicinal market. Since their extraction from Clostridium botulinum, they have been harnessed and incorporated into different formulations with varied properties and actions. These products have been used to treat countless disorders such as musculoskeletal disorders, headaches, and eye disorders, among many others. In the realm of aesthetic cutaneous medicine, the evolution and creativity in the use of botulinum toxins has been swift and ever changing. Knowledge of the science and innovation behind this toxin enables the user to provide the patient with a variety of treatment options founded in evidence-based medicine. This review will highlight the properties and actions of the newer, more recent neurotoxin preparations, as well as some of the latest and novel therapeutic applications of botulinum toxins.