It is best not to use recreational cocaine. Yes, it will metabolize substances in your body faster. However, there are many health complications and concerns that happen when cocaine is used.
Cocaine causes most things to be metabolized faster. There is no study showing its effect on dysport. As a physician, I need to advise you not to use cocaine as it can lead to sudden cardiac death and early myocardial infarction (heart attack). From the standpoint of plastic surgery, it will erode your nasal septum.