Everything about botulinum toxins exotoxins of clostridium botulinum
Botox® is purified by repeated precipitation and re-dissolution, While Dysport® is purified by a column separation method.33 Right after injection, Dysport® seems to have a larger spread influence clinically leading to a more diffuse distribution of clinical effects. Dose ratios between Dysport® and Botox® have already been debated in the past