Shaving razor was essentially a small piece of a straight razor attached to a handle using a clamp mechanism. Before each shave the blade had to be attached to a special holder, stropped with a leather belt, and placed back into the razor. After a time, the blade needed to be honed by a cutler. In 1895, King Camp Gillette invented the double-edged safety razor, which utilised inexpensive, disposable blades sharpened from two sides. It took him until 1901 to build a working, patentable model, and commercial production began in 1903. The razor gained popularity during World War I when the
Electric razor the electric razor in 1937. Another important inventor was Prof. Alexandre Horowitz, from Philips Laboratories in the Netherlands, who invented the concept of the revolving (rotary) electric razor. It has a shaving head consisting of cutters that cut off the hair entering the head of the razor at skin level. from Braun in Germany was another inventor who was decisive for development of the modern electric razor. He was the first to fuse rubber and metal elements on shavers and developed more than 100 electrical razors for Braun. In the course of his career Ullmann filed well over 100 patents