In the same way, used in aesthetic and injected in very small quantities, the same active ingredient which is being sought to provoke the relaxation of muscles responsible for facial wrinkles by reducing the depth of their paths. The anti age is here, it seems younger, but the upper face and paralyzed, gives the feeling of lack of expression or seems static. Sting toxin Botulinum which therefore condemn the technique because, for example, ophthalmology is used for long mobility disorders of the eyes, neurology for the so-called cramp writer and problems salivation in patients with Parkinson's disease. A study is currently underway on its use in intra-articular injections in cases of osteoarthritis of the knee. It would diminish the stiffness and relieve pain during the night.