Botox is an injectable neuromodulators that temporarily alter the nerve impulses of targeted muscles, reducing or eliminating contraction-induced wrinkles. Each brand has a slightly different formulation of the same substance, bacterium Clostridium Botulinum, or Botulinum Toxin A, but they work the same way: they block the nerve impulses of the injected muscles to temporarily paralyze muscle movements that cause wrinkles.
