botox 50iu injections are shots that use a toxin to prevent a muscle from moving for a limited time. People often use these shots to smooth out facial wrinkles. Other conditions they treat include neck spasms, sweating, overactive bladders, and lazy eyes. Adults use Botox to cure hyperhidrosis and lessen the visibility of frown lines between their eyebrows. Its active ingredient is similar to that of botulinum toxin.