Used a handful of times, works great! Just never take the time to do this. Golden gel is about 50% full. Comes with charger, no box. ZIIP GX uses Dual Waveform Technology™ that treats a range of skin concerns including wrinkles, sagging skin, blemishes, pigmentation and dull texture. Dual Waveform Technology™ was created by our Founder Melanie Simon in 2015 when she created the world's first at-home electrical beauty tech that fused both microcurrent waveforms and Nanocurrent™ waveforms to maximize skin results. While Nanocurrent™ locks in lasting results and boosts skin health, microcurrent provides an immediate lift and firms the face. Together, these waveforms create the perfect synergy for achieving luminous and sculpted skin. When you invest in the ZIIP, you get lifetime access to our ZIIP App where you can discover microcurrent facial treatments tailored to your skin’s needs - all designed by our founder and leading electrical esthetician, Melanie Simon, who guides you through each treatment in the app. Tags: nuface, therabody, theraface