Botulinum toxin type A for the management of glabellar rhytids

Figures & data

Figure 1a Normal neurotransmitter release.

Figure 1b Mechanism of action of botulinum toxin type A.

Table I List of ingredients for Botox^® and Dysport^™

Product	Active ingredients	Inactive ingredients
BOTOX^® (onabotulinumtoxinA)	50 Units of botulinum toxin type A	0.25 mg of human albumin 0.45 mg of sodium chloride
	100 Units of botulinum toxin type A	0.5 mg of human albumin 0.9 mg of sodium chloride
DYSPORT^™ (abobotulinumtoxinA)	300 Units of botulinum toxin type A	125 mcg of human albumin 2.5 mg of lactose
	500 Units of botulinum toxin type A	125 mcg of human albumin 2.5 mg of lactose

Note: Each product is supplied in multiple unit vials.