Combining the potency of hyaluronic acid, ceramides, antioxidants, amino acids, and squalane, the FOREO 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 FOREO microcurrent toning devices, providing superior safety while alleviating the uncomfortable effects of the current and significantly improving the results.