With a plethora of suggestions and ideas to beautify and sanitize our home and space. We never think ourselves while doing all that. Our skin is biggest sense organ in every human body. Though they help us by protecting from climatic conditions and diseases, they have to be taken good care also. There are some common skin irritants that we come across everyday. If you are wondering what is the cause for that all of a sudden red bump on your hand without having touched any irritants you know, then you should definitely read this to save your skin and health..