Eutectic lignocaine-prilocaine has the following unique propey?

Lignocaine or prilocaine cannot anaesthetize intact skin.The eutectic mixture is the combination of equal propoions of lignocaine and prilocaine at 25deg C.This mixture has a lower melting point than any of the two ingredients. It helps to make the preparation oily that can be applied on the intact skin.The eutectic mixture can be used to anaesthetize intact skin.