The NuFACE Gel Primer is essentially step one for beginning any NuFACE microcurrent treatment. The Gel Primer allows the devices to easily glide across the skin and ensures conductivity for optimum results. The Gel Primer transmits the soft wave microcurrents below the skin's surface to the facial muscles. 60 ml / 2 oz NuFACE Women's Gel Primer A great designer gift. Shop NuFACE at Barneys New York.