It might feel like this wrinkle-busting procedure has been around forever, but it's a relatively recent cosmetic concoction.At first, it was a procedure for already aged skin. Now 20-somethings are using it to try prevent wrinkles from ever forming.Norman and Tegan unpack how we got to this point, and the do's and dont's of the procedure.References:The whole truth about botulinum toxin – a reviewBotulinum toxin type A for facial wrinkles - Cochrane reviewBotulinum Toxin and Muscle Atrophy: A Wanted or Unwanted Effect

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