<prompt> Eutectic lignocaine-prilocaine has the following unique propey:It causes motor blockade without sensory blockBy surface application, it can anaesthetize unbroken skinIt is not absorbed after surface applicationIt has strong vasoconstrictor action  <response>: Lignocaine or prilocaine cannot anaesthetize intact skin. Eutectic mixture is the combination of equal propoions of lignocaine and prilocaine at 25 degC. 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. It has a concentration of 2.5 each with a contact period of 1 hour. Eutectic mixture can be used to anaesthetize intact skin. 