Botox injections mainly help people minimize the appearance of wrinkles on the face. The injection uses a toxin to prevent specific muscles from moving temporarily. This chemical also blocks chemical signals from your nerves that cause muscle contraction. Your facial muscles relax, and hence the wrinkles do not show. This relaxation is also applicable in other areas, and here is a list of conditions treated using Botox. Cervical Dystonia The Botox injection is essential in dystonia treatment.