IncobotulinumtoxinA is the third botulinum neurotoxin type A (BoNTA) to be approved for aesthetic use in the United States. This article introduces the new product with an overview of clinical applications and a discussion of the neurotoxin's molecular structure. The role and clinical relevance of complexing proteins in BoNTA products are discussed. Finally, incobotulinumtoxinA's mechanism of action is described.
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