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Table 1 Comparison of Botox and Dysport

From: Application of botulinum toxin in maxillofacial field: Part III. Ancillary treatment for maxillofacial surgery and summary

  Botox Dysport
Components Clostridium botulinum toxin Clostridium botulinum toxin
Vial Type A 100 U Type A 500 U
Effects 1 Botox unit 3~4 Dysport unit
Half-life Dry: 24 months
Solution: 5 h
Dry: 1 year
Solution: 8 h
Manufacturer Allergan, Irvine, CA, USA Ipsen, Ltd., Wrexham, UK
Dilution 100 Unit + 2.5 ml NaCl
Physiologic solution
 : 2 U in 0.05 ml
 : 4 U in 0.1 ml
500 Unit + 2.5 ml NaCl
Physiologic solution
 : 10 U in 0.05 ml
 : 20 U in 0.1 ml