... and elasticity of the skin.By outputting simulated human bio-current, it can go through the skin into muscle cell, ... reducing facial splash and pore constriction. BIO will tighten and refine the facial skin into sanguine condition, which have proofing ... lineament..2,Wrinkle reduction - neckImproving muscle elasticity, tightening skin, reducing wrinkles on the neck, relieving muscle drooping, ...