title: You want to inject what?
abstract: BACKGROUND
  This article is a review of the authors' 32 years' experience with botulinum toxin type A (BoNTA), especially its cosmetic use. It includes a review of the relevant literature and pointers to the future.
  
  
  OBJECTIVE
  To provide readers with a history of the cosmetic use of BoNTA and future directions.
  
  
  METHODS
  This article is written from the authors' experience.
  
  
  RESULTS
  The readers will be aware of the results of the interaction with BoNTA.
  
  
  CONCLUSIONS
  Botulinum toxin type A is a safe and effective treatment for some cosmetic problems. Side effects are minimal and short lived. The future of this therapeutic modality continues to be exciting.
authors.affiliation: *Department of Dermatology and Skin Science, University of British Columbia, Vancouver, British Columbia, Canada; †Department of Ophthalmology and Visual Sciences, University of British Columbia, British Columbia, Vancouver, Canada.
authors.forename: Alastair
authors.initials: A
authors.lastname: Carruthers
authors.forename: Jean
authors.initials: J
authors.lastname: Carruthers
mesh_terms: D019274:Botulinum Toxins, Type A / Q000494:pharmacology / Q000627:therapeutic use*; D003357:Cosmetic Techniques; D003863:Depression / Q000188:drug therapy; D006801:Humans; D009465:Neuromuscular Agents / Q000494:pharmacology / Q000627:therapeutic use*; D055571:Secretory Pathway / Q000187:drug effects; D015595:Skin Aging
chemical_list: D009465:Neuromuscular Agents; D019274:Botulinum Toxins, Type A