Botulinum toxin application has the purpose of weakening the muscles that generate the skin wrinkles with the pass of time. This application should be very careful and has to be in the hands of experts because what is intended to be modified is the mobility of the muscles from the facial expression. It is by this reason that a deep anatomic knowledge is required as well as a face muscles functioning system, so that no face expression is changed or even worse, create asymmetries or face malformations.
The Botox effect is within the 5 to 8 months range depending on the person, nevertheless it is recommended to be applied every 6 months. Patients who present deceases which affect the muscle system or autoimmune deceases should not use the toxin.