Dibucaine
"Nupricainal is #1 in our first aid kit and has been for the last 50 years! It provides instant relief from cuts, scrapes, bruises and numbs the pain.  Upon discovery, we personally named it "MAGIC MEDICINE" and it remains close at hand for emergencies at home, in the car or on a trip.  Smashed my finger in the car door and while driving to emergency for stitches, obtained PROMPT RELIEF FROM EXCRUCIATING PAIN!  (Same 20% benzocaine/active "numbing" ingredient prescribed by my doctor for an epesiotome after having a baby.  Kids fall and scrape their knees or get a bee sting and this stops the pain and tears! LOVE THIS numbing ointment! Get the word out! AWESOME PRODUCT!  Any pharmacy will also special order it."