Reaction® VST Skin Tightening uses the latest generation radio frequency (RF) technology to create energy that tightens the skin, restores its elasticity, and promotes firmness. Viora VST Skin tightening works to strengthen existing collagen fibers that have weakened over time due to aging and various forms of stress and is an effective solution for treating facial areas including forehead, marionette lines, cheeks, jowls as well the sensitive areas around the eyes, neck, décolleté elbows and knees. Significant results include skin elasticity restoration and a tighter and smoother appearance.