The best kept secret to youthful looking skin! Nion Beauty Opus is a first of its kind cleansing device, it combines beneficial negative ions (S-ion Technology) with soft silicone brushes that transfer gentle yet effective kinetic energy (Kinetic Skin Cleansing) to achieve a new level of clean. Kinetic energy transfer cleaning was developed to cleanse skin without microscopic damage caused by traditional rotating bristles. Nion Beauty Opus Cleansing Brushes clean without harmful friction preserving your skins natural moisture and elasticity.