Botulinum toxin A in the treatment of the wrinkles in the upper third of the face

The practice of botulinum toxin injections is unavoidable in the correction of facial aging. In effect botulinum toxin at tows to erase dynamic wrinkles, by transient and reversible muscular relaxation. This is the best wrinckle treatment for the upper part of the face: glabellar tines, horizontal forehead lines and crow's feet. This technique requires a good understanding of facial muscular anatomy, in order to correctly apply the basics of injection. Every patient is unique and only a big experience will allow to refine and personalise injections. (C) 2009 Published by Elsevier Masson SAS.