Before the invention of safety razor,the main shaving tool used was the straight razor. However this type of razor required attention,it was quite aggressive,and required also maintenance of the blade. The first known safety razor was created by the French J.Jacques Perrer. It was a variant of a straight razor with the blade enclosed by a protection that facilitated sliding on the skin. On this new concept, razors began to be produced after 1820 in England (Sheffield) already famous for the production of straight razors.The Kampfe Brothers in the 1880 in the United States,began to sell safety razor with a removable blade. The first disposable blade appeared on the market…