Botulinum neurotoxin A: A review

SummaryDespite its ubiquity in cosmetic circles and broad general awareness, a literature search of botulinum neurotoxin in JPRAS and BJPS yielded a mere 4 articles germane to cosmesis. A pair each detailing its application in masseteric hypertrophy 1 and 2 and the use of cryoanalgesia. 3 and 4 Given that botulinum neurotoxin A is the most commonly used cosmetic treatment, with American figures being most accurate,5 a review of the background, development and scientific evidence would be perhaps useful, if not overdue, as Plastic Surgeons increasingly incorporate non-surgical interventions into their practices as part of a comprehensive facial rejuvenation strategy.