Foreo. Combining the potency of hyaluronic acid, ceramides, antioxidants, amino acids, and squalane, the SUPERCHARGED SERUM SERUM SERUM 2. 0 youth-preserving formula visibly helps to firm, renew, and replenish. The upgraded serum boasts an innovative electrolyte complex of sodium & potassium to enhance conductivity with all microcurrent toning devices, providing superior safety while alleviating the uncomfortable effects of the current and significantly improving the results. In addition to supporting microcurrent facial toning, the high-impact skincare also provides an ideal no-pull glide for LUNA firming T-Sonic massage treatments. Enjoy the clinically proven deep moisture boost for a softer, smoother, replenished, plump & youthful complexion.