Injections containing abobotulinumtoxinA (Botulinum toxin type A). AbobotulinumtoxinA is made from the bacteria that causes botulism. Botulinum toxin blocks nerve activity in the muscles, causing a temporary reduction in muscle activity. This results in smoothing fine lines and wrinkles for a tighter more youthful glow. It also has been proving to reduce and even block headaches. What’s not to love?