The purity of botulinum toxin is 99%

Botulinum toxin is a neurotoxin fromClostridium botulinumbacteria, used in tiny, diluted doses to temporarily block nerve signals to muscles, causing relaxation, treating conditions like spasms, migraines, and excessive sweating, and cosmetically smoothing wrinkles by relaxing facial muscles, with effects lasting months and common side effects being site pain or bruising.