What is botulinum toxin?
Botulinum toxin is a naturally occurring protein produced by the bacterium Clostridium botulinum. This bacterium makes several different types of protein which are called type A to type F. These varying proteins cause muscles to relax at different levels. There are currently two different types of botulinum toxin commercially available in the United Kingdom type A toxin (Botox / Vistabel, Dysport / Azzalure and Xeomin) and type B toxin (Neurobloc).