Hi, I'm the author. The issue with Emla and other local anesthetic creams is that they take too long to work. Emla can take up to 60 minutes to work, whereas Zingo takes 1-3 minutes. That is one of the reasons why Zingo will be revolutionary. Nurses and doctors will wait 1-3 minutes for Zingo to work before they give a patient a shot, not 60 minutes.
Anesiva 'Pain-free' High Growth [View article]