Each gram of cream contains lidocaine 25 mg and prilocaine 25 mg. It also contains the following excipients: Carbomer, macrogol glycerol hydroxystearate, sodium hydroxide to adjust pH (8.7-9.7) and water. Excipient with known effect: Emla cream contains macrogol glycerol hydroxystearate which can cause skin reactions.
Emla is an oil/water emulsion in which the oil phase consists of a eutectic mixture of lidocaine and prilocaine in the ratio 1:1.