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Commonly, it will remain some gum on the body when you take off the Band-Aid which sticks on the skin. Furthermore, some skin and hair will be tore off at the same time. While the Traceless Band-Aid can solve this problem. There is an interlayer in the middle of it. When you need to remove the Band-Aid, you can tear off the outermost layer and wait for some minutes. The content in the interlayer will react and produce heat after it contact with air. Thus, the Band-Aid is easy to remove without any trace or hurt.
Communication University of China,Nanjing