Benefits: Can be used at any time and after every contact, no need for water or washbasins, not moisture-based, so no additional packaging is required. Carry it in your pocket as its small size and light weight would not attack the skin flora, as is the case with disinfectants or excessive hand washing, would be more ecological than disinfectants and soaps through multiple use (approx. 3 months if used several times a day). The use of a galvanic copper layer for this benefit. The galvanic copper layer has a lower density than the solid material. As a result, a weaker oxide layer is formed and this can be removed more easily. The combination of application, design and non-stationary use. Compared to use on surface surfaces, the piece of copper can and must be carried along.