The technology works. That is not what the debate is about.
Let us clarify this first, because many people think this is the core of the debate.
Microcurrent is not a new beauty trend. The technology has been used in professional and clinical settings for years.
Electroporation is also described in scientific literature. The technique temporarily and reversibly increases skin permeability so suitable formulas can be applied more directly than when they remain only on the skin surface.
The people writing angry reviews are not arguing about the physics.