There are various uses of botox and a clear overview about them can be of immense help. One of the most poisonous naturally growing substance Botulinum toxin is a neurotoxin protein produced by a bacterium known as Clostridium botulinum. For commercial purposes this substance is sold under a brand name called botox and these days it is widely used for varied purposes. Botox injection is most commonly used during plastic surgeries in United States, for rejuvenation of skin, use of botox is indeed indispensable. When you have wrinkled skin, use of botox can be an ideal solution and in most of the cases results have been satisfactory after use of botox.One of the main benefits of Botox is that a relatively quick procedure. 15-minute procedure can be tighter and firmer skin. It is through the needles into the skin to inject botulism toxin. You can go to the cosmetic surgeon's office looking a bit wrinkled and saggy and leave an hour later a stronger and tighter skin.  Most of the plastic surgeons are now using botox for its effective results without any side effects. With the use of botox, the neuromuscular junctions of the body or the synapses get rejuvenated. Actually the facial wrinkles are caused as a result of muscular contractions and the muscular contractions usually take place in the presence of neurotransmitter chemical acetylcholine.