Botox is a drug prepared from the bacterial toxin botulin, used medically to treat certain muscular conditions and cosmetically to remove wrinkles by temporarily paralyzing facial muscles.
Botulinum toxin is a protein and neurotoxin produced by the bacterium Clostridium botulinum. It is the most acutely toxic substance known, with an estimated human median lethal dose of 1.32.1 ng/kg intravenously or intramuscularly and 1013 ng/kg when inhaled. Botulinum toxin can cause botulism, a serious and life-threatening illness in humans and animals. Popularly known by one of its trade names, Botox, it is used for various cosmetic and medical procedures.