Meishida Micro Current Skin Lifting System. The Micro Current Machine has two important functions during a facial treatment. Its main function is to introduce water-soluble products into the skin. When using Biowave, there are two poles, negative(-) and positive(+). Microcurrent enhances the ability of active molecules to penetrate the skin surface. Its benefits are wide and far-reaching: it increases the skins absorption capacity, minimizes wrinkles, and normalizes the skin.