Botox, the commercial name of botulinumtoxin type a, is a neuro-toxin produced by Clostridium botulinum. It can block the signals that make your muscles move.
肉毒素是A型肉毒杆菌的商业名称。它是一种由肉毒梭菌产生的神经毒素，能阻止是肌肉活动的神经信号。
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The industry spread to include the use of Botox, derived from the deadly botulinumtoxin and originally intended to treat muscle disorders.
By paralyzing the facial muscles used for frowning, BotulinumToxin a - or Botox - prevents people from physically displaying expressions of negative emotion.