The areas where it is most frequently applied are the brow, the forehead and crow’s feet, however it is also effective in other areas such as the neck or the expression lines above the upper lip.
The treatment is safe, effective and well-tolerated. Faulty application might provoke temporary facial paralysis with certain asymmetries, which will disappear after some months.
Its abuse can result in the development of antibodies. This event rarely occurs when small doses are used.